Remove language settings Learn More URL from desktop MD Settings

chrome/browser/resources/settings/languages_page/languages_page.html

 <link rel="import" href="chrome://resources/html/assert.html">
 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.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-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_action_menu/cr_action_menu.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_expand_button/cr_expand_button.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_lazy_render/cr_lazy_render.html">
@@ skipping 71 matching lines @@
           </div>
           <cr-expand-button expanded="{{languagesOpened_}}"
               alt="$i18n{languagesExpandA11yLabel}">
           </cr-expand-button>
         </div>
         <iron-collapse id="languagesCollapse" opened="[[languagesOpened_]]">
           <div class="list-frame vertical-list">
             <span class="list-item"
                 hidden="[[isHelpTextHidden_(languages.enabled.*)]]">
               <span>$i18n{orderLanguagesInstructions}</span>
+<if expr="chromeos">
               <a href="$i18n{languagesLearnMoreURL}" target="_blank">
                 $i18n{learnMore}
               </a>
+</if>
             </span>
             <template is="dom-repeat" items="[[languages.enabled]]">
               <div class$="list-item [[getLanguageItemClass_(
                   item.language.code, prefs.intl.app_locale.value,
                   item.language.supportsUI)]]">
                 <div class="start">
                   <div title="[[item.language.nativeDisplayName]]">
                     [[item.language.displayName]]
                   </div>
 <if expr="chromeos or is_win">
@@ skipping 165 matching lines @@
 </if>
     </settings-animated-pages>
     <template is="dom-if" if="[[showAddLanguagesDialog_]]" restamp>
       <settings-add-languages-dialog languages="{{languages}}"
           language-helper="[[languageHelper]]">
       </settings-add-languages-dialog>
     </template>
   </template>
   <script src="languages_page.js"></script>
 </dom-module>