Remove Polymer 0.5.

third_party/polymer/components/paper-progress/paper-progress.css

-/*
-Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-*/
-
-:host {
-  display: inline-block;
-  width: 200px;
-  height: 4px;
-}
-
-#progressContainer {
-  position: relative;
-  height: 100%;
-  background-color: #c8c8c8;
-  overflow: hidden;
-}
-
-#activeProgress,
-#secondaryProgress {
-  -webkit-transform-origin: left center;
-  transform-origin: left center;
-  -webkit-transform: scaleX(0);
-  transform: scaleX(0);
-}
-
-#activeProgress {
-  background-color: #0f9d58;
-}
-
-#secondaryProgress {
-  background-color: #87ceac;
-}
-
-#activeProgress.indeterminate {
-  -webkit-transform-origin: center center;
-  transform-origin: center center;
-  -webkit-animation: indeterminate-bar 1s linear infinite;
-  animation: indeterminate-bar 1s linear infinite;
-}
-
-@-webkit-keyframes indeterminate-bar {
-  0% {
-    -webkit-transform: translate(-50%) scaleX(0);
-  }
-  50% {
-    -webkit-transform: translate(0%) scaleX(0.3);
-  }
-  100% {
-    -webkit-transform: translate(50%) scaleX(0);
-  }
-}
-
-@keyframes indeterminate-bar {
-  0% {
-    transform: translate(-50%) scaleX(0);
-  }
-  50% {
-    transform: translate(0%) scaleX(0.3);
-  }
-  100% {
-    transform: translate(50%) scaleX(0);
-  }
-}