rebase: remove extra "if" from check of collapsing named branches

hgext/rebase.py

@@ -386,8 +386,7 b' def rebase(ui, repo, **opts):'
             if dest.closesbranch() and not keepbranchesf:
                 ui.status(_('reopening closed branch head %s\n') % dest)
 
-        if keepbranchesf:
-            if collapsef:
+        if keepbranchesf and collapsef:
                 branches = set()
                 for rev in state:
                     branches.add(repo[rev].branch())