[gclient] Remove is_blink_mode

Not used

R=tandrii@chromium.org

Bug: 694348
Change-Id: I3188881b1f92df1cbfdbf3aafe309abb9488d9b2
Reviewed-on: https://chromium-review.googlesource.com/1232874
Auto-Submit: Nodir Turakulov <nodir@chromium.org>
Commit-Queue: Robbie Iannucci <iannucci@chromium.org>
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>

recipes/recipe_modules/gclient/api.py

@@ -267,19 +267,6 @@ class GclientApi(recipe_api.RecipeApi):
     with self.m.context(cwd=(self.m.context.cwd or self.m.path['checkout'])):
       return self(name, ['runhooks'] + list(args), infra_step=False, **kwargs)
 
-  @property
-  def is_blink_mode(self):
-    """ Indicates wether the caller is to use the Blink config rather than the
-    Chromium config. This may happen for one of two reasons:
-    1. The builder is configured to always use TOT Blink. (factory property
-       top_of_tree_blink=True)
-    2. A try job comes in that applies to the Blink tree. (patch_project is
-       blink)
-    """
-    return (
-      self.m.properties.get('top_of_tree_blink') or
-      self.m.properties.get('patch_project') == 'blink')
-
   def break_locks(self):
     """Remove all index.lock files. If a previous run of git crashed, bot was
     reset, etc... we might end up with leftover index.lock files.

recipes/recipe_modules/gclient/examples/full.py

@@ -81,8 +81,6 @@ def RunSteps(api):
 
   api.gclient.runhooks()
 
-  assert not api.gclient.is_blink_mode
-
 
 def GenTests(api):
   yield api.test('basic')