localrepo: remove clone method by hoisting into hg.py

hg.py was the only remaining caller of localrepo.clone(), so it's time
to move some more behavior out of localrepo.

mercurial/hg.py

@@ -546,13 +546,22 b' def clone(ui, peeropts, source, dest=Non'
                                        "support clone by revision"))
                 revs = [srcpeer.lookup(r) for r in rev]
                 checkout = revs[0]
-            if destpeer.local():
+            local = destpeer.local()
+            if local:
                 if not stream:
                     if pull:
                         stream = False
                     else:
                         stream = None
-                destpeer.local().clone(srcpeer, heads=revs, stream=stream)
+                # internal config: ui.quietbookmarkmove
+                quiet = local.ui.backupconfig('ui', 'quietbookmarkmove')
+                try:
+                    local.ui.setconfig(
+                        'ui', 'quietbookmarkmove', True, 'clone')
+                    exchange.pull(local, srcpeer, revs,
+                                  streamclonerequested=stream)
+                finally:
+                    local.ui.restoreconfig(quiet)
             elif srcrepo:
                 exchange.push(srcrepo, destpeer, revs=revs,
                               bookmarks=srcrepo._bookmarks.keys())

mercurial/localrepo.py

@@ -1856,22 +1856,6 b' class localrepository(object):'
         """
         return util.hooks()
 
-    def clone(self, remote, heads=[], stream=None):
-        '''clone remote repository.
-
-        keyword arguments:
-        heads: list of revs to clone (forces use of pull)
-        stream: use streaming clone if possible'''
-        # internal config: ui.quietbookmarkmove
-        quiet = self.ui.backupconfig('ui', 'quietbookmarkmove')
-        try:
-            self.ui.setconfig('ui', 'quietbookmarkmove', True, 'clone')
-            pullop = exchange.pull(self, remote, heads,
-                                   streamclonerequested=stream)
-            return pullop.cgresult
-        finally:
-            self.ui.restoreconfig(quiet)
-
     def pushkey(self, namespace, key, old, new):
         try:
             tr = self.currenttransaction()