refactor(IsDefined): back to 4.0.1

Author: sciborrudnicki

packages/type/src/is/type/is-defined.type.ts

@@ -1,3 +1,2 @@
-import { Defined } from '../../type/defined.type';
 import { ResultCallback } from '../../type/result-callback.type';
-export type IsDefined = <Type>(value: unknown, callback?: ResultCallback) => value is Defined<Type>;
+export type IsDefined = (value: unknown, callback?: ResultCallback) => boolean;