buildman: Drop unused output code

The commit counter is a hangover from when buildman processed each board
for a commit. Now buildman processes each commit for a board, so this
output is never triggered.

Delete it.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/buildman/builder.py

@@ -450,11 +450,6 @@ class Builder:
         self._AddTimestamp()
         if self._complete_delay:
             name += '%s  : ' % self._complete_delay
-        # When building all boards for a commit, we can print a commit
-        # progress message.
-        if result and result.commit_upto is None:
-            name += 'commit %2d/%-3d' % (self.commit_upto + 1,
-                    self.commit_count)
 
         name += target
         terminal.PrintClear()