remove polymer 1.0 moment import

Author: jshortall

paper-calendar.html

@@ -7,9 +7,9 @@
 <link rel="import" href="../paper-styles/shadow.html">
 <link rel="import" href="../paper-styles/typography.html">
 <link rel="import" href="../iron-resizable-behavior/iron-resizable-behavior.html">
-<link rel="import" href="../moment-element/moment-import.html">
 <link rel="import" href="paper-date-picker-icons.html">
 
+<script type="text/javascript" src="../moment/min/moment.min.js"></script>
 <dom-module id="paper-calendar">
   <template>
     <style>