Remove the protobuf based HTTP upload code path

Now that Gerrit2 has been released and the only supported upload
protocol is direct git push over SSH we no longer need the large
and complex protobuf client library, or the upload chunking logic
in gerrit_upload.py.

Signed-off-by: Shawn O. Pearce <sop@google.com>

project.py

@@ -24,10 +24,8 @@ import urllib2
 from color import Coloring
 from git_command import GitCommand
 from git_config import GitConfig, IsId
-from gerrit_upload import UploadBundle
 from error import GitError, ImportError, UploadError
 from remote import Remote
-from codereview import proto_client
 
 HEAD    = 'HEAD'
 R_HEADS = 'refs/heads/'
@@ -481,32 +479,7 @@ class Project(object):
       branch.remote.projectname = self.name
       branch.remote.Save()
 
-    if branch.remote.ReviewProtocol == 'http-post':
-      base_list = []
-      for name, id in self._allrefs.iteritems():
-        if branch.remote.WritesTo(name):
-          base_list.append(not_rev(name))
-      if not base_list:
-        raise GitError('no base refs, cannot upload %s' % branch.name)
-
-      print >>sys.stderr, ''
-      _info("Uploading %s to %s:", branch.name, self.name)
-      try:
-        UploadBundle(project = self,
-                     server = branch.remote.review,
-                     email = self.UserEmail,
-                     dest_project = branch.remote.projectname,
-                     dest_branch = dest_branch,
-                     src_branch = R_HEADS + branch.name,
-                     bases = base_list,
-                     people = people,
-                     replace_changes = replace_changes)
-      except proto_client.ClientLoginError:
-        raise UploadError('Login failure')
-      except urllib2.HTTPError, e:
-        raise UploadError('HTTP error %d' % e.code)
-
-    elif branch.remote.ReviewProtocol == 'ssh':
+    if branch.remote.ReviewProtocol == 'ssh':
       if dest_branch.startswith(R_HEADS):
         dest_branch = dest_branch[len(R_HEADS):]