Update comments referencing buildkit to something else

devutils/validate_patches.py

@@ -277,7 +277,7 @@ class _FallbackRepoManager:
     @property
     def gn_version(self):
         """
-        Returns the version of the GN repo for the Chromium version used by buildkit
+        Returns the version of the GN repo for the Chromium version used by this code
         """
         if not self._cache_gn_version:
             # Because there seems to be no reference to the logic for generating the

downloads.ini

@@ -1,5 +1,5 @@
 # Official Chromium source code archive
-# NOTE: Substitutions beginning with underscore are provided by buildkit
+# NOTE: Substitutions beginning with underscore are provided by utils
 [chromium]
 url = https://commondatastorage.googleapis.com/chromium-browser-official/chromium-%(_chromium_version)s.tar.xz
 download_filename = chromium-%(_chromium_version)s.tar.xz

utils/_common.py

@@ -56,7 +56,7 @@ def get_logger(initial_level=logging.DEBUG):
 
 def get_running_platform():
     """
-    Returns a PlatformEnum value indicating the platform that buildkit is running on.
+    Returns a PlatformEnum value indicating the platform that utils is running on.
 
     NOTE: Platform detection should only be used when no cross-platform alternative is available.
     """