Update link preview settings to be cleaner

_locales/en/messages.json

@@ -1227,14 +1227,9 @@
     "description":
       "Option to control creation and send of link previews in setting screen"
   },
-  "linkPreviewsDescription": {
-    "message":
-      "Previews are supported for Imgur, Instagram, Reddit, and YouTube links.",
-    "description":
-      "Additional detail provided for Link Previews option in settings screen"
-  },
   "linkPreviewsSettingDescription": {
-    "message": "Enable local link previews",
+    "message":
+      "Enable link previews",
     "description": "Description shown for the Link Preview option "
   },
   "spellCheckDescription": {

js/views/settings_view.js

@@ -250,7 +250,6 @@
         spellCheckDescription: i18n('spellCheckDescription'),
         blockedHeader: 'Blocked Users',
         linkPreviews: i18n('linkPreviews'),
-        linkPreviewsDescription: i18n('linkPreviewsDescription'),
         linkPreviewsSettingDescription: i18n('linkPreviewsSettingDescription'),
       };
     },

settings.html

@@ -100,15 +100,11 @@
         <input type='checkbox' name='spell-check-setting' id='spell-check-setting' />
         <label for='spell-check-setting'>{{ spellCheckDescription }}</label>
       </div>
+      <div class='link-preview-setting'>
+        <input type='checkbox' name='link-preview-setting' id='link-preview-setting' />
+        <label for='link-preview-setting'>{{ linkPreviewsSettingDescription }}</label>
+      </div>
 
-    <hr>
-    <h3>{{ linkPreviews }}</h3>
-    <div>{{ linkPreviewsDescription }}<div>
-    </br>
-    <div class='link-preview-setting'>
-      <input type='checkbox' name='link-preview-setting' id='link-preview-setting' />
-      <label for='link-preview-setting'>{{ linkPreviewsSettingDescription }}</label>
-    </div>
   <hr>
     <div class='permissions-setting'>
       <h3>{{ permissions }}</h3>