Delete dead-code for handling comments and invalid octal integers. These are already handled by the preprocessor. TRAC #23158 Signed-off-by: Nicolas Capens Merged-by: Jamie Madill Authored-by: alokp@chromium.org git-svn-url: https://code.google.com/p/angleproject/source/detail?r=2189 Review URL: https://codereview.appspot.com/8632053