If a hashtag is removed while viewing a non-current patch set the change screen was reloaded with the current patch set. This was unexpected for the user and inconsistent with adding hashtags, where the change screen stays on the selected non-current patch set. Change-Id: I48c86792515c1ee5e2a25107421757b887425c0c Signed-off-by: Edwin Kempin <ekempin@google.com>