Remove deprecated {get,set}SnapToPixel functions

src/ol/style/Image.js

@@ -103,16 +103,6 @@ class ImageStyle {
     return this.scale_;
   }
 
-  /**
-   * This method is deprecated and always returns false.
-   * @return {boolean} false.
-   * @deprecated
-   * @api
-   */
-  getSnapToPixel() {
-    return false;
-  }
-
   /**
    * Get the anchor point in pixels. The anchor determines the center point for the
    * symbolizer.
@@ -223,14 +213,6 @@ class ImageStyle {
     this.scale_ = scale;
   }
 
-  /**
-   * This method is deprecated and does nothing.
-   * @param {boolean} snapToPixel Snap to pixel?
-   * @deprecated
-   * @api
-   */
-  setSnapToPixel(snapToPixel) {}
-
   /**
    * @abstract
    * @param {function(this: T, import("../events/Event.js").default): void} listener Listener function.