Remove XP and Vista bots from chromium.win and chromium.webkit waterfalls.

scripts/slave/recipe_modules/chromium_tests/trybots.py

 # Copyright 2015 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.
 
 from recipe_engine.types import freeze
 
 
 def simple_bot(bot_id, analyze_mode=None):
   return {
     'bot_ids': [bot_id],
@@ skipping 426 matching lines @@
       'win10_chromium_rel_ng': simple_bot({
         'mastername': 'chromium.fyi',
         'buildername': 'Win Builder',
         'tester': 'Win10 Tests (1)',
       }),
       'win_chromium_rel_ng_exp': simple_bot({
         'mastername': 'chromium.win',
         'buildername': 'Win Builder',
         'tester': 'Win7 Tests (1)',
       }),
-      'win_chromium_xp_rel_ng': simple_bot({

[Paweł Hajdan Jr., 2016/01/25 15:44:25]

Could you remove these from the tryserver master as well?

[jam, 2016/01/25 15:52:29]

Done.

-        'mastername': 'chromium.win',
-        'buildername': 'Win Builder',
-        'tester': 'XP Tests (1)',
-      }),
-      'win_chromium_vista_rel_ng': simple_bot({
-        'mastername': 'chromium.win',
-        'buildername': 'Win Builder',
-        'tester': 'Vista Tests (1)',
-      }),
       'win_chromium_compile_dbg_ng': simple_bot({
         'mastername': 'chromium.win',
         'buildername': 'Win Builder (dbg)',
       }, analyze_mode='compile'),
       'win_chromium_compile_dbg_ng_exp': simple_bot({
         'mastername': 'chromium.win',
         'buildername': 'Win Builder (dbg)',
       }, analyze_mode='compile'),
       'win_chromium_compile_rel_ng': simple_bot({
         'mastername': 'chromium.win',
@@ skipping 47 matching lines @@
   },
   'tryserver.v8': {
     'builders': {
       'v8_linux_blink_rel': simple_bot({
         'mastername': 'chromium.webkit',
         'buildername': 'WebKit Linux',
       }),
     },
   },
 })