Remove unused param in getState function

src/ol/PluggableMap.js

@@ -1224,7 +1224,7 @@ class PluggableMap extends BaseObject {
     let frameState = null;
     if (size !== undefined && hasArea(size) && view && view.isDef()) {
       const viewHints = view.getHints(this.frameState_ ? this.frameState_.viewHints : undefined);
-      viewState = view.getState(this.pixelRatio_);
+      viewState = view.getState();
       frameState = {
         animate: false,
         coordinateToPixelTransform: this.coordinateToPixelTransform_,

src/ol/View.js

@@ -927,10 +927,9 @@ class View extends BaseObject {
   }
 
   /**
-   * @param {number} pixelRatio Pixel ratio for center rounding.
    * @return {State} View state.
    */
-  getState(pixelRatio) {
+  getState() {
     const center = /** @type {import("./coordinate.js").Coordinate} */ (this.getCenter());
     const projection = this.getProjection();
     const resolution = /** @type {number} */ (this.getResolution());