Modify .gitignore file to remove entries for chromium generated files
https://bugs.webkit.org/show_bug.cgi?id=114141

Reviewed by Gyuyoung Kim.

* .gitignore:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147895 268f45cc-cd09-0410-ab3c-d52691b4dbfc