Remove setting of 'syntax' in Asciidoc file modelines.

Setting 'filetype' makes this redundant.

muttator/locale/en-US/intro.txt

@@ -99,4 +99,4 @@ on irc.freenode.net or check the Wiki for frequently asked questions. Make
 sure, you have read the TODO file first, as I am aware of many things which
 can be improved when I find time for it or get patches.
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/autocommands.txt

@@ -86,4 +86,4 @@ Set the filetype to mail when editing email at Gmail:
   :autocmd LocationChange .* :set editor=gvim\ -f
   :autocmd LocationChange mail\.google\.com :set editor="gvim -f -c 'set ft=mail'"
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/browsing.txt

@@ -346,4 +346,4 @@ ________________________________________________________________________________
 Print the current directory name.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/buffer.txt

@@ -358,4 +358,4 @@ the page's default style sheet is used.
 All author styling can be removed by setting the 'usermode' option.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc fdm=marker:
+// vim: set filetype=asciidoc fdm=marker:

vimperator/locale/en-US/cmdline.txt

@@ -77,4 +77,4 @@ ________________________________________________________________________________
 Complete the previous full match when 'wildmode' contains "full".
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/developer.txt

@@ -85,4 +85,4 @@ Now you can copy the asciidoc text but always make sure it looks OK after
 you compile the help file with "make doc", as the auto-generation might
 not work correctly for all special cases.
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/eval.txt

@@ -81,4 +81,4 @@ Deletes the variable {name}. Several variable names can be given. When used
 with [!] no error message is output for non-existing variables.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/gui.txt

@@ -87,4 +87,4 @@ standard Firefox View->Sidebar menu. Add-ons, Preferences and Downloads are
 also available in the sidebar.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/hints.txt

@@ -63,4 +63,4 @@ Hintable elements for all extended hint modes can be set in the
 'extendedhinttags' XPath string.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/index.txt

@@ -311,4 +311,4 @@ section:Options[option-index]
 ||'wildoptions'|| Change how command-line completion is done +
 ||'wordseparators'|| How words are split for hintmatching +
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/intro.txt

@@ -111,4 +111,4 @@ on irc.freenode.net or check the Wiki for frequently asked questions. Make
 sure, you have read the TODO file first, as I am aware of many things which
 can be improved when I find time for it or get patches.
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/map.txt

@@ -410,4 +410,4 @@ Add a :Google command to search via google:
 
 // TODO: add decent examples
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/marks.txt

@@ -245,4 +245,4 @@ Show all location marks of current web page. If [a][arg][a] is specified then
 limit the list to those marks mentioned.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/message.txt

@@ -19,4 +19,4 @@ Redisplay the last command output. Only the most recent command's output is
 available.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/options.txt

@@ -828,4 +828,4 @@ A regexp which defines the word separators which are used for the
 the text of a link.
 ____
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/pattern.txt

@@ -67,4 +67,4 @@ Remove the search highlighting. The document highlighting is turned back on
 when another search command is used or the 'hlsearch' option is set.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/print.txt

@@ -30,4 +30,4 @@ and
 
 respectively.
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/repeat.txt

@@ -142,4 +142,4 @@ Use the special version with [!] if you just want to run any command multiple
 times without showing profiling statistics.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/starting.txt

@@ -57,4 +57,4 @@ ________________________________________________________________________________
 Force the browser to restart. Useful when installing extensions.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/styling.txt

@@ -118,4 +118,4 @@ style for [c]www.google.com,mozilla.org[c], will result in a style for
                  (short option: [c]-i[c])
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/tabs.txt

@@ -209,4 +209,4 @@ Undo closing of all closed tabs. Firefox stores up to 10 closed tabs, even
 after a browser restart.
 ________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/tutorial.txt

@@ -250,4 +250,4 @@ are neither infinite nor omnipotent; please bear with us. If you can't wait for
 us to get around to it, rest assured patches are welcome! See the
 help:Developer[developer.html] page for more information.
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc:

vimperator/locale/en-US/various.txt

@@ -115,4 +115,4 @@ ________________________________________________________________________________
 //Close preview window on bottom of screen.
 //________________________________________________________________________________
 
-// vim: set syntax=asciidoc filetype=asciidoc:
+// vim: set filetype=asciidoc: