Add ol/pixel module for Pixel type

src/ol/index.js

@@ -33,9 +33,3 @@ export {default as WebGLMap} from './WebGLMap.js';
 
 export {getUid, inherits, VERSION} from './util.js';
 
-/**
- * An array with two elements, representing a pixel. The first element is the
- * x-coordinate, the second the y-coordinate of the pixel.
- * @typedef {Array.<number>} Pixel
- * @api
- */