Revert "Rename polymer and cr_elements v0_8 to v1_0"

third_party/polymer/v0_8/components/iron-iconset-svg/iron-iconset-svg.html

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 Copyright (c) 2015 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
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@@ skipping 179 matching lines @@
         // TODO(sjmiles): inline style may not be ideal, but avoids requiring a shadow-root
         svg.style.cssText = 'pointer-events: none; display: block; width: 100%; height: 100%;';
         svg.appendChild(sourceSvg.cloneNode(true)).removeAttribute('id');
         return svg;
       }
       return null;
     }
 
   });
 </script>