Remove accidently committed changes

src/ol/VectorImageTile.js

@@ -72,12 +72,6 @@ class VectorImageTile extends Tile {
      */
     this.sourceTiles_ = sourceTiles;
 
-    /**
-     * @private
-     * @type {boolean}
-     */
-    this.sourceTilesLoaded = false;
-
     /**
      * Keys of source tiles used by this tile. Use with {@link #getTile}.
      * @type {Array<string>}
@@ -318,8 +312,7 @@ class VectorImageTile extends Tile {
     if (loaded == this.tileKeys.length) {
       this.loadListenerKeys_.forEach(unlistenByKey);
       this.loadListenerKeys_.length = 0;
-      this.sourceTilesLoaded = true;
-      this.changed();
+      this.setState(TileState.LOADED);
     } else {
       this.setState(empty == this.tileKeys.length ? TileState.EMPTY : TileState.ERROR);
     }