Remove WTF.gyp/WTF.gypi
https://bugs.webkit.org/show_bug.cgi?id=114237

Reviewed by Maciej Stachowiak.

* WTF.gyp: Removed.
* WTF.gyp/.gitignore: Removed.
* WTF.gyp/WTF.gyp: Removed.
* WTF.gypi: Removed.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147980 268f45cc-cd09-0410-ab3c-d52691b4dbfc