Remove ‘Restart Signal’ menu from settings

Apparently, this is a remnant from the Chrome web application.

_locales/en/messages.json

@@ -595,10 +595,6 @@
         "message": "New Messages",
         "description": "Displayed in notifications for multiple messages"
     },
-    "restartSignal": {
-        "message": "Restart Signal",
-        "description": "Menu item for restarting the program."
-    },
     "messageNotSent": {
         "message": "Message not sent.",
         "description": "Informational label, appears on messages that failed to send"

background.html

@@ -75,7 +75,6 @@
                 <button class='hamburger' alt='signal menu'></button>
                 <ul class='menu-list'>
                     <li class='showSettings'>{{ settings }}</li>
-                    <li class='restart-signal'>{{ restartSignal }}</li>
                 </ul>
               </div>
             </div>

js/views/inbox_view.js

@@ -165,7 +165,6 @@
       selectAContact: i18n('selectAContact'),
       searchForPeopleOrGroups: i18n('searchForPeopleOrGroups'),
       settings: i18n('settings'),
-      restartSignal: i18n('restartSignal'),
     },
     events: {
       click: 'onClick',
@@ -175,7 +174,6 @@
       'click .showSettings': 'showSettings',
       'select .gutter .conversation-list-item': 'openConversation',
       'input input.search': 'filterContacts',
-      'click .restart-signal': window.restart,
       'show .lightbox': 'showLightbox',
     },
     startConnectionListener() {

test/index.html

@@ -47,7 +47,6 @@
                 <button class='hamburger' alt='signal menu'></button>
                 <ul class='menu-list'>
                     <li class='showSettings'>{{ settings }}</li>
-                    <li class='restart-signal'>{{ restartSignal }}</li>
                 </ul>
               </div>
             </div>