Bug 1414764 - Remove Mozilla specific options to avoid build warnings…

… with gcc and -Wcomment enabled. r=sylvestre

MozReview-Commit-ID: C8CqfB5KDeU

--HG--
extra : rebase_source : 8c616cd09cdfe4864c5775d15e953f39da10be80

.clang-format

@@ -1,8 +1,5 @@
 BasedOnStyle: Mozilla
 
-# Ignore all comments because they aren't reflowed properly.
-CommentPragmas: "^"
-
 # Prevent the loss of indentation with these macros
 MacroBlockBegin: "^\
 NS_INTERFACE_MAP_BEGIN|\
@@ -24,9 +21,6 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_END_INHERITED$"
 SortIncludes: false
 
 
-ReflowComments: false
-
-
 BreakBeforeBraces: Custom
 BraceWrapping:
   AfterEnum: true