Remove the branch prefix to make it work

BUG=None
TEST=run remote_gcc_build.py with master branch and a source gcc dir.
         it works.

Change-Id: I8fb7a91b5725749cc13db860fbcaf0f0fde2ae79
Reviewed-on: https://gerrit-int.chromium.org/35073
Reviewed-by: Han Shen <shenhan@google.com>
Tested-by: Yunlian Jiang <yunlian@google.com>
Commit-Queue: Yunlian Jiang <yunlian@google.com>
1 file changed