Revert "Will now run pylint on all python files if there's at least one modified python file in the checkin."
Revert "Will now run pylint on all python files if there's at least one modified python file in the checkin."

This reverts commit 6bd8730dfad6e7c5a5cf9a089605fcb9f83a13e0.

TBR=ajm@webrtc.org
BUG=

Review URL: https://webrtc-codereview.appspot.com/1150004

git-svn-id: 917f5d3ca488f358c4d40eaec14422cf392ccec9@3585 4adac7df-926f-26a2-2b94-8c16560cd09d

mwgoldsmith/libilbc,mwgoldsmith/ilbc,ShiftMediaProject/libilbc,mwgoldsmith/libilbc,TimothyGu/libilbc,mwgoldsmith/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,mwgoldsmith/libilbc,mwgoldsmith/ilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,mwgoldsmith/ilbc,ShiftMediaProject/libilbc,mwgoldsmith/ilbc,TimothyGu/libilbc