cmds: Remove redundant query message

The first line of the body in the "Rename Remote" dialog is redundant and
unnecessary, this patch removes the message and changes the interaction
to a question.

The new interaction choice might not be sane though, please review.

Fixes git-cola#838.

Refer-to: Redundant query message · Issue git-cola#838 · git-cola/git-cola <git-cola#838>
Signed-off-by: 林博仁 <Buo.Ren.Lin@gmail.com>

cola/cmds.py

@@ -686,11 +686,9 @@ def __init__(self, name, new_name):
 
     def confirm(self):
         title = N_('Rename Remote')
-        question = N_('Rename remote?')
         info = (N_('Rename remote "%(current)s" to "%(new)s"?') %
                 dict(current=self.name, new=self.new_name))
-        ok_text = N_('Rename')
-        return Interaction.confirm(title, question, info, ok_text)
+        return Interaction.question(title, info)
 
     def action(self):
         git = self.model.git