remove demo.css

src/tooltip/demo.css

@@ -1,38 +0,0 @@
-/**
- * Copyright 2015 Google Inc. All Rights Reserved.
- *
- * 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.
- */
-
-.demo-page--tooltip {
-  padding: 20px;
-  height: 120px;
-}
-
-.demo-page--tooltip .icon {
-  background-color: transparent;
-  border: none;
-  display: inline-block;
-  height: 21px;
-  margin: 0 50px;
-  opacity: 0.7;
-  outline: none;
-  padding: 0;
-  position: relative;
-  width: 21px;
-  font-size: 24px;
-}
-
-.demo-page--tooltip .icon:hover {
-  opacity: 1;
-}