Remove some double spacing.

--HG--
extra : rebase_source : 2e500adb809a020fab650e2bab309cb9d1846a27

common/modules/contexts.jsm

@@ -139,7 +139,6 @@ var Contexts = Module("contexts", {
                         get: function () array(contexts.groups[self.name])
                     };
 
-
                 this.Hive = constructor;
                 this.name = name;
                 memoize(contexts.Group.prototype, name, function () {
@@ -541,7 +540,6 @@ var Contexts = Module("contexts", {
                 }
             });
 
-
         commands.add(["fini[sh]"],
             "Stop sourcing a script file",
             function (args) {
@@ -550,7 +548,6 @@ var Contexts = Module("contexts", {
             },
             { argCount: "0" });
 
-
         function checkStack(cmd) {
             util.assert(contexts.context && contexts.context.stack &&
                         contexts.context.stack[cmd] && contexts.context.stack[cmd].length,

common/modules/options.jsm

@@ -15,7 +15,6 @@ defineModule("options", {
     use: ["commands", "completion", "prefs", "services", "styles", "template", "util"]
 }, this);
 
-
 /** @scope modules */
 
 let ValueError = Class("ValueError", ErrorBase);

common/modules/styles.jsm

@@ -430,7 +430,6 @@ var Styles = Module("Styles", {
         return test(arguments[1]);
     },
 
-
     splitContext: function splitContext(context, title) {
         for (let item in Iterator({ Active: true, Inactive: false })) {
             let [name, active] = item;