fix(thumbnail): cleanup unused hover properties.

modules/UI/videolayout/RemoteVideo.js

         this.bindHoverHandler();
         this.flipX = false;
         this.isLocal = false;
-        this.popupMenuIsHovered = false;
         this._isRemoteControlSessionActive = false;
 
         /**
         return this.container;
     }
 
-    /**
-     * Checks whether current video is considered hovered. Currently it is hovered
-     * if the mouse is over the video, or if the connection indicator or the popup
-     * menu is shown(hovered).
-     * @private
-     * NOTE: extends SmallVideo's method
-     */
-    _isHovered() {
-        return super._isHovered() || this.popupMenuIsHovered;
-    }
-
     /**
      * Generates the popup menu content.
      *

modules/UI/videolayout/SmallVideo.js

          */
         this._connectionStatus = null;
 
-        /**
-         * Whether or not the ConnectionIndicator's popover is hovered. Modifies
-         * how the video overlays display based on hover state.
-         *
-         * @private
-         * @type {boolean}
-         */
-        this._popoverIsHovered = false;
-
         /**
          * Whether or not the connection indicator should be displayed.
          *
         this._showRaisedHand = false;
 
         // Bind event handlers so they are only bound once for every instance.
-        this._onPopoverHover = this._onPopoverHover.bind(this);
         this.updateView = this.updateView.bind(this);
 
         this._onContainerClick = this._onContainerClick.bind(this);
      * @private
      */
     _isHovered() {
-        return this.videoIsHovered || this._popoverIsHovered;
+        return this.videoIsHovered;
     }
 
     /**
         }
     }
 
-    /**
-     * Updates the current state of the connection indicator popover being hovered.
-     * If hovered, display the small video as if it is hovered.
-     *
-     * @param {boolean} popoverIsHovered - Whether or not the mouse cursor is
-     * currently over the connection indicator popover.
-     * @returns {void}
-     */
-    _onPopoverHover(popoverIsHovered) {
-        this._popoverIsHovered = popoverIsHovered;
-        this.updateView();
-    }
-
     /**
      * Sets the size of the thumbnail.
      */