Plugin Power Saver: remove dead flags

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 3205 matching lines @@
             '../components/components.gyp:keyed_service_content',
             '../components/components.gyp:navigation_interception',
             '../components/components.gyp:network_hints_common',
             '../components/components.gyp:metrics_gpu',
             '../components/components.gyp:metrics_profiler',
             '../components/components.gyp:metrics_profiler_content',
             '../components/components.gyp:net_log',
             '../components/components.gyp:packed_ct_ev_whitelist',
             '../components/components.gyp:password_manager_content_browser',
             '../components/components.gyp:password_manager_sync_browser',
-            '../components/components.gyp:plugins_common',
             '../components/components.gyp:power',
             '../components/components.gyp:profile_metrics',
             '../components/components.gyp:proxy_config',
             '../components/components.gyp:safe_browsing_db',
             '../components/components.gyp:safe_json',
             '../components/components.gyp:sessions_content',
             '../components/components.gyp:storage_monitor',
             '../components/components.gyp:ssl_config',
             '../components/components.gyp:syncable_prefs',
             '../components/components.gyp:translate_content_browser',
@@ skipping 863 matching lines @@
             '../components/components.gyp:omnibox_browser',
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
           ],
         },
       ],
     }],
   ],
 }