Remove DumpBrowsableActivity to fix default app error

app/src/main/java/com/hippo/ehviewer/ui/DumpBrowsableActivity.java

@@ -1,21 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.hippo.ehviewer.ui;
-
-// It is a dump activity to make Chrome or maybe other browser to send implicit intent when open eh url.
-// Take a look at AndroidManifest to know how it works.
-public class DumpBrowsableActivity extends EhActivity {}