When pushing to other remotes, ignore 'origin'

Since we just fetched from 'origin' there is no point trying to
push again there.

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

mirror_from_pagure_bus.py

@@ -116,6 +116,8 @@ class MirrorFromPagure(object):
                 output = run_command(cmd, cwd=dest_folder).decode("utf-8").strip()
                 if output:
                     for remote in output.split("\n"):
+                        if remote == "origin":
+                            continue
                         _log.info("  Running git push --mirror against %s", remote)
                         cmd = ["git", "push", "--mirror", remote]
                         run_command(cmd, cwd=dest_folder)