Fix the lint issue.

Author: dawnseeker8

packages/bridge-controller/src/utils/validators.ts

@@ -16,7 +16,6 @@ import {
   assert,
   pattern,
   intersection,
-  date,
 } from '@metamask/superstruct';
 import { CaipAssetTypeStruct, isStrictHexString } from '@metamask/utils';