chore: remove invalid find-up type package (#953)

* chore(top-level): align version of type for find-up package

* chore(top-level): remove type of find-up package

Author: armano2

@commitlint/top-level/package.json

@@ -35,7 +35,6 @@
   "license": "MIT",
   "devDependencies": {
     "@commitlint/utils": "^8.3.4",
-    "@types/find-up": "2.1.1",
     "@types/node": "12.12.26"
   },
   "dependencies": {

@commitlint/top-level/src/index.ts

@@ -1,13 +1,6 @@
 import path from 'path';
 import up from 'find-up';
 
-declare module 'find-up' {
-	interface Options {
-		cwd?: string;
-		type?: 'file' | 'directory';
-	}
-}
-
 export default toplevel;
 
 /**

yarn.lock

@@ -1975,11 +1975,6 @@
   dependencies:
     "@types/node" "*"
 
-"@types/[email protected]":
-  version "2.1.1"
-  resolved "https://registry.npmjs.org/@types/find-up/-/find-up-2.1.1.tgz#1cd2d240f1ad1f48d32346074724dc3107248a11"
-  integrity sha512-60LC501bQRN9/3yfVaEEMd7IndaufffL56PBRAejPpUrY304Ps1jfnjNqPw5jmM5R8JHWiKBAe5IHzNcPV41AA==
-
 "@types/fs-extra@^8.0.1":
   version "8.0.1"
   resolved "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-8.0.1.tgz#a2378d6e7e8afea1564e44aafa2e207dadf77686"