Fix bug: Removed "moment" usage

Also remove the timestamp from the UI, not needed when dealing with live chat (in session).

Note: still gonna keep the timestamp in messages data, might use it to display chat summary when call ends.

package.json

@@ -43,7 +43,6 @@
     "classnames": "^2.2.5",
     "config": "^1.26.1",
     "express": "^4.13.3",
-    "moment": "^2.22.2",
     "prop-types": "^15.5.10",
     "pug": "^2.0.0-rc.2",
     "react": "^15.5.4",

src/client/components/Chat.js

@@ -1,6 +1,5 @@
 import PropTypes from 'prop-types'
 import React from 'react'
-import moment from 'moment'
 
 export const MessagePropTypes = PropTypes.shape({
   userId: PropTypes.string.isRequired,
@@ -89,11 +88,6 @@ export default class Chat extends React.PureComponent {
                     </div>
                   )}
                 </div>
-                <div className="chat-item-details">
-                  <div className="chat-item-date">
-                    {moment(message.timestamp).fromNow()}
-                  </div>
-                </div>
                 <div className="chat-item-content">
                   {message.message}
                 </div>

src/scss/_chat.scss

@@ -110,19 +110,6 @@
       width: 50px;
     }
 
-    .chat-item-details {
-      float: right;
-      text-align: right;
-      min-width: 30px;
-      min-height: 30px;
-      padding: 0 0 0 10px;
-
-      .chat-item-date {
-        color: #888;
-        font-size: 12px;
-      }
-    }
-
     .chat-item-content {
       color: #363636;
       font-size: 13px;

yarn.lock

@@ -4775,11 +4775,6 @@ module-deps@^6.0.0:
     through2 "^2.0.0"
     xtend "^4.0.0"
 
-moment@^2.22.2:
-  version "2.22.2"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.2.tgz#3c257f9839fc0e93ff53149632239eb90783ff66"
-  integrity sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y=
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"