[fuchsia] Clean up TODOs in //build/fuchsia

This removes a TODO in amber_repo.py since we are no longer pursuing
checking if "fx serve" is running, considering this is a user error.

Bug: 1104411
Change-Id: I300f61e7b053f27ed6752409899f70f32c061c19
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2427350Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812300}

build/fuchsia/amber_repo.py

@@ -158,9 +158,6 @@ class ExternalAmberRepo(AmberRepo):
   def __init__(self, amber_root):
     self._amber_root = amber_root
     logging.info('Using existing Amber root: {}'.format(amber_root))
-
-    # TODO(kmarshall): Find a way to programmatically check if "fx serve" is
-    # running.
     logging.info('Ensure that "fx serve" is running.')
 
   def GetPath(self):

build/fuchsia/symbolizer.py

@@ -10,7 +10,8 @@ from common import SDK_ROOT
 from common import GetHostArchFromPlatform
 from common import GetHostToolPathFromPlatform
 
-# TODO(steveroe): Change 'llvm-3.8' to 'llvm' after docker image is updated.
+# TODO(crbug.com/1131647): Change 'llvm-3.8' to 'llvm' after docker image is
+# updated.
 ARM64_DOCKER_LLVM_SYMBOLIZER_PATH = os.path.join('/', 'usr', 'lib', 'llvm-3.8',
                                                  'bin', 'llvm-symbolizer')