Merge pull request #8520 from openlayers/redundant-if

Remove redundant if block

src/ol/interaction/Select.js

@@ -255,7 +255,6 @@ class Select extends Interaction {
      */
     this.featureLayerAssociation_ = {};
 
-    if (this.featureOverlay_) {
     const features = this.featureOverlay_.getSource().getFeaturesCollection();
     listen(features, CollectionEventType.ADD,
       this.addFeature_, this);
@@ -263,8 +262,6 @@ class Select extends Interaction {
       this.removeFeature_, this);
   }
 
-  }
-
   /**
    * @param {module:ol/Feature|module:ol/render/Feature} feature Feature.
    * @param {module:ol/layer/Layer} layer Layer.