Remove direct dependency on 'abort-controller' package

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/utility-features/utilities/src/abort-controller.ts

@@ -3,8 +3,6 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 
-import AbortController from "abort-controller";
-
 /**
  * This is like an `AbortController` but will also abort if the parent aborts,
  * but won't make the parent abort if this aborts (single direction)

packages/utility-features/utilities/src/delay.ts

@@ -3,8 +3,6 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 
-import type AbortController from "abort-controller";
-
 /**
  * Return a promise that will be resolved after at least `timeout` ms have
  * passed. If `failFast` is provided then the promise is also resolved if it has

packages/utility-features/utilities/src/reject-promise.ts

@@ -3,8 +3,6 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 
-import type { AbortSignal } from "abort-controller";
-
 /**
  * Creates a new promise that will be rejected when the signal rejects.
  *