docs: remove blank line

Author: kgryte

lib/node_modules/@stdlib/ndarray/base/for-each/docs/types/index.d.ts

@@ -25,7 +25,6 @@ import { typedndarray } from '@stdlib/types/ndarray';
 
 /**
 * Callback invoked for each ndarray element.
-*
 */
 type Nullary<U> = ( this: U ) => void;