WebRTC: Remove Dr Memory bots.

masters/master.client.webrtc/slaves.cfg

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 slaves = [
   # Linux 64-bit.
   {
     'master': 'WebRTC',
     'os': 'linux',
     'version': 'trusty',
@@ skipping 99 matching lines @@
       'Win64 Release',
       'Win64 Debug (GYP)',
       'Win64 Release (GYP)',
       'Win32 Debug (Clang)',
       'Win32 Release (Clang)',
       'Win64 Debug (Clang)',
       'Win64 Release (Clang)',
       'Win SyzyASan',
     ],
     'hostname': 'vm%d-m3' % i,
-  } for i in [162, 168, 169, 193] + range(87, 91)
-] + [
-  {
-    'master': 'WebRTC',
-    'os': 'win',
-    'version': 'win7',
-    'bits': '64',
-    'builder': [
-      'Win DrMemory Full',
-    ],
-    'hostname': 'vm346-m3',
-  },
-  {
-    'master': 'WebRTC',
-    'os': 'win',
-    'version': 'win7',
-    'bits': '64',
-    'builder': [
-      'Win DrMemory Light',
-    ],
-    'hostname': 'vm347-m3',
-  },
+  } for i in [162, 168, 169, 193, 346, 347] + range(87, 91)
 ] + [
   # Windows, bare-metal.
   {
     'master': 'WebRTC',
     'os': 'win',
     'version': 'win7',
     'bits': '64',
     'builder': [
       'Win32 Release [large tests]',
     ],
     'hostname': 'build20-b3',
   }
 ]