Remove Sky tests that we don't intend to port to the new world

sky/tests/TestExpectations

-
-# These tests need more basic testing support plumbed right into the
-# platform, which we don't currently have:
-https://github.com/domokit/mojo/issues/15 parser/cr.sky [ Skip ]
-https://github.com/domokit/mojo/issues/15 parser/empty.sky [ Skip ]
-#https://github.com/domokit/mojo/issues/15 parser/utf16.sky [ Skip ]
-
-# These tests fail
-https://github.com/domokit/mojo/issues/14 parser/normaliser-null.sky [ Skip ]
-https://github.com/domokit/mojo/issues/14 parser/utf16.sky [ Skip ]
-https://github.com/domokit/mojo/issues/16 parser/normaliser-crlf.sky [ Skip ]
-
-# This test depends on events.md being implemented
-crbug.com/1 events/dispatcher.sky [ Skip ]
-
-# These tests broke during the Dart migration
-crbug.com/2 animation/basic-imperative.sky [ Skip ]
-crbug.com/2 animation/basic-transition.sky [ Skip ]
-crbug.com/2 events/gesture-events.sky [ Skip ]
-crbug.com/2 events/pointer-events.sky [ Skip ]
-crbug.com/2 layout/margins-absolute.sky [ Skip ]
-crbug.com/2 layout/margins.sky [ Skip ]
-crbug.com/2 lowlevel/createElement.sky [ Skip ]
-crbug.com/2 modules/application.sky [ Skip ]
-crbug.com/2 modules/instance-of-application.sky [ Skip ]
-crbug.com/2 modules/instance-of-module.sky [ Skip ]
-crbug.com/2 modules/load-event.sky [ Skip ]
-crbug.com/2 modules/modules.sky [ Skip ]
-crbug.com/2 modules/script-import.sky [ Skip ]
-crbug.com/2 parser/script.sky [ Skip ]
-crbug.com/2 services/iframe-service-provider.sky [ Skip ]
-
-# Started failing on DEPS roll.
-# https://codereview.chromium.org/1001833005/
-https://github.com/domokit/mojo/issues/64 lowlevel/layers.sky [ Skip ]
-
-# Flaky
-https://github.com/domokit/mojo/issues/62 custom-elements/registration.sky [ Skip ]
+# No test expectations... yet.

[Hixie, 2015/06/30 19:38:51]

You should leave one commented-out line here so that the next person to add one
can just copypasta instead of having to rederive the syntax from first
principles.