Remove obsolete method

src/UI/Map/RasterLayerHandler.ts

@@ -144,23 +144,15 @@ class SingleBackgroundHandler {
 }
 
 export default class RasterLayerHandler {
-    private _map: Store<MLMap>
-    private _background: UIEventSource<RasterLayerPolygon | undefined>
     private _singleLayerHandlers: Record<string, SingleBackgroundHandler> = {}
 
     constructor(map: Store<MLMap>, background: UIEventSource<RasterLayerPolygon | undefined>) {
-        this._map = map
-        this._background = background
         background.addCallbackAndRunD((l) => {
             const key = l.properties.id
             if (!this._singleLayerHandlers[key]) {
                 this._singleLayerHandlers[key] = new SingleBackgroundHandler(map, l, background)
             }
         })
-        map.addCallback((map) => {
-            map.on("load", () => this.setBackground())
-            this.setBackground()
-        })
     }
 
     public static prepareWmsSource(layer: RasterLayerProperties): SourceSpecification {
@@ -203,9 +195,4 @@ export default class RasterLayerHandler {
 
         return url
     }
-
-    /**
-     * Performs all necessary updates
-     */
-    public setBackground() {}
 }