[MD settings] removing .css files from internet settings

chrome/browser/resources/settings/internet_page/network_nameservers.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input.html">
 <link rel="import" href="chrome://resources/cr_elements/network/cr_onc_types.html">
 
 <dom-module id="network-nameservers">
-  <link rel="import" type="css" href="network_nameservers.css">
   <template>
+    <style>
+      #selectTypeDiv {
+        margin: 10px 0;
+      }
+
+      select {
+        padding: 5px;
+      }
+
+      paper-input-container {
+        margin: -9px 5px 0;
+      }
+    </style>
     <div id="outer" class="layout vertical">
       <div id="selectTypeDiv">
         <!-- TODO(stevenjb): Use cr-dropdown-menu once available. -->
         <select id="type" on-change="onTypeChange_">
           <template is="dom-repeat" items="[[nameserverTypeNames_]]">
             <option>[[nameserverTypeDesc_(item)]]</option>
           </template>
         </select>
       </div>
       <div class="layout horizontal">
@@ skipping 17 matching lines @@
         <paper-input-container no-label-float>
           <input id="nameserver3" is="iron-input" value="[[nameservers.3]]"
               disabled="[[!canEdit_(editable, nameserversType)]]"
               on-blur="onValueChange_">
         </paper-input-container>
       </div>
     </div>
   </template>
   <script src="network_nameservers.js"></script>
 </dom-module>