Delete no-op branch in isolate after fix for https://code.google.com/p/swarming/issues/detail?id=63…

chrome/gles2_conform_test.isolate

 # Copyright 2013 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.
 {
   'includes': [
     'angle.isolate',
   ],
   'conditions': [
     # TODO(kbr): add Android when these tests are run on those bots.
     ['OS=="linux" or OS=="mac" or OS=="win"', {
@@ skipping 13 matching lines @@
         'isolate_dependency_tracked': [
           '<(PRODUCT_DIR)/gles2_conform_test_windowless<(EXECUTABLE_SUFFIX)',
           # Could add gles2_conform_test_angle or
           # gles2_conform_test_chromeos if the bots were testing those.
         ],
         'isolate_dependency_untracked': [
           '../third_party/gles2_conform/GTF_ES/',
         ],
       },
     }],
-    # This no-op branch should not be necessary but seems to be.
-    ['(OS=="linux" or OS=="mac" or OS=="win") and internal_gles2_conform_tests==0', {
-      'variables': {
-        'isolate_dependency_tracked': [
-        ],
-      },
-    }],
   ],
 }