Remove unused import from PublishCommentsScreen

Unused local removed in prior commit meant this import was now
also unused.  Unfortunately I was a bit too fast on pushing the
prior commit to notice the import should have gone with it.

Change-Id: Iec27635f41a69552860c32a776ba4b64c19c9818
Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed