Bug 1103052 - Remove traces of RBTools; r=mconley

We previous added support for RBTools in bug 943747 and bug 945577. Now
that we have MozReview, this functionality is next to useless. MozReview
is the future. So, we remove the old RBTools code.

DONTBUILD (NPOTB)

--HG--
extra : rebase_source : 2b307c31a5c484cb0bd785f582e3c248c3cb11da

.reviewboardrc

@@ -1,5 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-REVIEWBOARD_URL = 'https://reviewboard.allizom.org/'

tools/mach_commands.py

@@ -292,25 +292,6 @@ class PastebinProvider(object):
         return 0
 
 
-@CommandProvider
-class ReviewboardToolsProvider(MachCommandBase):
-    @Command('rbt', category='devenv',
-        description='Run Reviewboard Tools')
-    @CommandArgument('args', nargs='...', help='Arguments to rbt tool')
-    def rbt(self, args):
-        if not args:
-            args = ['help']
-
-        self._activate_virtualenv()
-        self.virtualenv_manager.install_pip_package('RBTools==0.6')
-
-        from rbtools.commands.main import main
-
-        # main() doesn't accept arguments and instead reads from sys.argv. So,
-        # we fake it out.
-        sys.argv = ['rbt'] + args
-        return main()
-
 @CommandProvider
 class FormatProvider(MachCommandBase):
     @Command('clang-format', category='misc',