Remove WebGL references in comments

src/ol/source/ImageArcGISRest.js

@@ -16,9 +16,8 @@ import {appendParams} from '../uri.js';
  * @typedef {Object} Options
  * @property {import("./Source.js").AttributionLike} [attributions] Attributions.
  * @property {null|string} [crossOrigin] The `crossOrigin` attribute for loaded images.  Note that
- * you must provide a `crossOrigin` value if you are using the WebGL renderer or if you want to
- * access pixel data with the Canvas renderer.  See
- * {@link https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image} for more detail.
+ * you must provide a `crossOrigin` value if you want to access pixel data with the Canvas renderer.
+ * See https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image for more detail.
  * @property {boolean} [hidpi=true] Use the `ol/Map#pixelRatio` value when requesting the image from
  * the remote server.
  * @property {import("../Image.js").LoadFunction} [imageLoadFunction] Optional function to load an image given