Remove deprecated SkyApplication and SkyActivity. (#3464)

shell/platform/android/BUILD.gn

@@ -104,10 +104,6 @@ android_library("java") {
     "io/flutter/view/ResourceExtractor.java",
     "io/flutter/view/ResourcePaths.java",
     "io/flutter/view/VsyncWaiter.java",
-
-    # Deprecated classes provided for backwards compatibility
-    "org/domokit/sky/shell/SkyActivity.java",
-    "org/domokit/sky/shell/SkyApplication.java",
   ]
 
   deps = [

shell/platform/android/org/domokit/sky/shell/SkyActivity.java

-// Copyright 2015 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.
-
-package org.domokit.sky.shell;
-
-import io.flutter.app.FlutterActivity;
-
-/**
- * Use io.flutter.app.FlutterActivity instead
- * This class should be removed after Feb 2017
- */
-public class SkyActivity extends FlutterActivity {
-}

shell/platform/android/org/domokit/sky/shell/SkyApplication.java

-// Copyright 2015 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.
-
-package org.domokit.sky.shell;
-
-import io.flutter.app.FlutterApplication;
-
-/**
- * Use io.flutter.app.FlutterActivity instead
- * This class should be removed after Feb 2017
- */
-@Deprecated
-public class SkyApplication extends FlutterApplication {
-}

travis/licenses_golden/licenses_flutter

@@ -2086,8 +2086,6 @@ FILE: ../../../flutter/shell/platform/android/io/flutter/view/ResourceCleaner.ja
 FILE: ../../../flutter/shell/platform/android/io/flutter/view/ResourceExtractor.java
 FILE: ../../../flutter/shell/platform/android/io/flutter/view/ResourcePaths.java
 FILE: ../../../flutter/shell/platform/android/library_loader.cc
-FILE: ../../../flutter/shell/platform/android/org/domokit/sky/shell/SkyActivity.java
-FILE: ../../../flutter/shell/platform/android/org/domokit/sky/shell/SkyApplication.java
 FILE: ../../../flutter/shell/platform/android/platform_view_android.cc
 FILE: ../../../flutter/shell/platform/android/platform_view_android.h
 FILE: ../../../flutter/shell/platform/darwin/common/platform_mac.h