Drop committish prefix

As of I15ca67fb591, Gerrit adds the commit SHA1 to the messages in
ReceiveCommits.

Currently, error messages mention the commit SHA1 twice.

Change-Id: Ia83f27102448a10b5cb7f3d38502503e50178bf2
1 file changed
tree: 21273f2c3bc1ed1ecd54c77b9613f5b0d7a6c8ef
  1. .gitignore
  2. BUILD
  3. LICENSE
  4. src/