[MD settings] removing .css files from internet settings

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

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.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">
 <link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_network_behavior.html">
 <link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_network_indicator.html">
 <link rel="import" href="network_property_list.html">
 <link rel="import" href="network_proxy_input.html">
 <link rel="import" href="network_proxy_exclusions.html">
 
 <dom-module id="network-proxy">
-  <link rel="import" type="css" href="network_proxy.css">
   <template>
+    <style>
+      :host {
+        display: inline-block;
+      }
+
+      #selectTypeDiv {
+        margin: 10px 0;
+      }
+
+      select {
+        padding: 5px;
+      }
+
+      span {
+        margin: 5px;
+      }
+
+      cr-policy-network-indicator {
+        -webkit-margin-end: 10px;
+        mwrgin-bottom: 5px;
+      }
+
+      paper-checkbox {
+        margin-bottom: 10px;
+      }
+
+      paper-input {
+        margin: -9px 5px 0;
+      }
+    </style>
     <div id="outer" class="layout vertical flex">
       <!-- TODO(stevenjb): Use cr-dropdown-menu once available. -->
       <div class="layout horizontal center" hidden$=
           "[[!isNetworkPolicyControlled(networkProperties.ProxySettings.Type)]]">
         <cr-policy-network-indicator
             property="[[networkProperties.ProxySettings.Type]]">
         </cr-policy-network-indicator>
         <span>This proxy is enforced by your administrator.</span>
       </div>
 
@@ skipping 64 matching lines @@
           </paper-input>
           <paper-button on-tap="onAddProxyExclusionTap_">
             Add Exception
           </paper-button>
         </div>
       </div>
     </div>
   </template>
   <script src="network_proxy.js"></script>
 </dom-module>