Revert "git_cl: Allow server overriding."

This reverts commit a8fb3a28.

git_cl.py

@@ -650,7 +650,6 @@ class BuildbucketResponseException(Exception):
 class Settings(object):
   def __init__(self):
     self.default_server = None
-    self.server_override = None
     self.cc = None
     self.root = None
     self.is_git_svn = None
@@ -1739,10 +1738,6 @@ class _RietveldChangelistImpl(_ChangelistCodereviewBase):
     self._rpc_server = None
 
   def GetCodereviewServer(self):
-    global settings
-    if settings and settings.server_override:
-      return gclient_utils.UpgradeToHttps(settings.server_override)
-
     if not self._rietveld_server:
       # If we're on a branch then get the server potentially associated
       # with that branch.
@@ -2216,10 +2211,6 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     return urlparse.urlparse(self.GetRemoteUrl()).netloc
 
   def GetCodereviewServer(self):
-    global settings
-    if settings and settings.server_override:
-      return gclient_utils.UpgradeToHttps(settings.server_override)
-
     if not self._gerrit_server:
       # If we're on a branch then get the server potentially associated
       # with that branch.
@@ -2828,9 +2819,6 @@ def _add_codereview_select_options(parser):
   parser.codereview_group.add_option(
       '--rietveld', action='store_true',
       help='Force the use of Rietveld for codereview')
-  parser.codereview_group.add_option(
-      '--force-codereview-server', action='store', metavar='URL',
-      help='Use this codereview server instead of the default.')
 
 
 def _process_codereview_select_options(parser, options):
@@ -2842,11 +2830,6 @@ def _process_codereview_select_options(parser, options):
   elif options.rietveld:
     options.forced_codereview = 'rietveld'
 
-  if options.force_codereview_server:
-    global settings
-    if settings:
-      settings.server_override = options.force_codereview_server
-
 
 def _get_bug_line_values(default_project, bugs):
   """Given default_project and comma separated list of bugs, yields bug line
@@ -3535,7 +3518,6 @@ def CMDstatus(parser, args):
     parser, 'Must be in conjunction with --field.')
   options, args = parser.parse_args(args)
   _process_codereview_issue_select_options(parser, options)
-  _process_codereview_select_options(parser, options)
   if args:
     parser.error('Unsupported args: %s' % args)
   auth_config = auth.extract_auth_config_from_options(options)