mq: no need to make a copy of seriesopts

the command decorator takes care of copying the
options (introduced in 5b48ad1e7f1a)

hgext/mq.py

@@ -2126,7 +2126,7 b' def series(ui, repo, **opts):'
     repo.mq.qseries(repo, missing=opts.get('missing'), summary=opts.get('summary'))
     return 0
 
-@command("qtop", [] + seriesopts, _('hg qtop [-s]'))
+@command("qtop", seriesopts, _('hg qtop [-s]'))
 def top(ui, repo, **opts):
     """print the name of the current patch
 
@@ -2140,7 +2140,7 b' def top(ui, repo, **opts):'
         ui.write(_("no patches applied\n"))
         return 1
 
-@command("qnext", [] + seriesopts, _('hg qnext [-s]'))
+@command("qnext", seriesopts, _('hg qnext [-s]'))
 def next(ui, repo, **opts):
     """print the name of the next patch
 
@@ -2152,7 +2152,7 b' def next(ui, repo, **opts):'
         return 1
     q.qseries(repo, start=end, length=1, summary=opts.get('summary'))
 
-@command("qprev", [] + seriesopts, _('hg qprev [-s]'))
+@command("qprev", seriesopts, _('hg qprev [-s]'))
 def prev(ui, repo, **opts):
     """print the name of the previous patch