Removing unneeded from __future__ import statements.

Since we are on Python 3.6 and up, we don't need those anymore.

ebook_converter/ebooks/lrf/html/table.py

@@ -1,7 +1,3 @@
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-__license__   = 'GPL v3'
-__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 import math, sys, re, numbers
 
 from ebook_converter.ebooks.lrf.fonts import get_font
@@ -11,6 +7,10 @@ from ebook_converter.ebooks.lrf.pylrs.pylrs import TextBlock, Text, CR, Span, \
 from ebook_converter.polyglot.builtins import string_or_bytes, range, native_string_type
 
 
+__license__   = 'GPL v3'
+__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
+
+
 def ceil(num):
     return int(math.ceil(num))