refactor!: remove polyfillDispose (#10776)

BREAKING CHANGE: The `polyfillDispose` function has been removed

packages/util/src/functions/index.ts

@@ -3,4 +3,3 @@ export * from './range.js';
 export * from './calculateShardId.js';
 export * from './runtime.js';
 export * from './userAgentAppendix.js';
-export * from './polyfillDispose.js';

packages/util/src/functions/polyfillDispose.ts

@@ -1,14 +0,0 @@
-/**
- * Polyfill for `Symbol.dispose` and `Symbol.asyncDispose` which is used as a part of
- * {@link https://github.com/tc39/proposal-explicit-resource-management}. Node versions below 18.x
- * don't have these symbols by default, so we need to polyfill them.
- */
-export function polyfillDispose() {
-	// Polyfill for `Symbol.dispose` and `Symbol.asyncDispose` if not available.
-	// Taken from https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-2.html#using-declarations-and-explicit-resource-management
-
-	// @ts-expect-error This is a polyfill, so it's fine to write
-	Symbol.dispose ??= Symbol('Symbol.dispose');
-	// @ts-expect-error Same as above
-	Symbol.asyncDispose ??= Symbol('Symbol.asyncDispose');
-}