Revert "fix incoming call box"

This reverts commit b3431bb750.

src/components/structures/RoomSubList.js

@@ -516,7 +516,6 @@ var RoomSubList = React.createClass({
                         roomCount={ roomCount }
                         collapsed={ this.props.collapsed }
                         hidden={ this.state.hidden }
-                        incomingCall={ this.props.incomingCall }
                         isIncomingCallRoom={ isIncomingCallRoom }
                         roomNotificationCount={ this.roomNotificationCount() }
                         onClick={ this.onClick }

src/components/structures/RoomSubListHeader.js

@@ -36,7 +36,6 @@ module.exports = React.createClass({
             React.PropTypes.number
         ]),
         collapsed: React.PropTypes.bool.isRequired, // is LeftPanel collapsed?
-        incomingCall: React.PropTypes.object,
         isIncomingCallRoom: React.PropTypes.bool,
         roomNotificationCount: React.PropTypes.array,
         hidden: React.PropTypes.bool,