Remove mkdirp, we don't seem to need it...

package-lock.json

@@ -7047,12 +7047,6 @@
         }
       }
     },
-    "mkdirp": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
-      "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
-      "dev": true
-    },
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",

package.json

@@ -39,7 +39,6 @@
     "since 2017-06"
   ],
   "devDependencies": {
-    "mkdirp": "^1.0.4",
     "rimraf": "^3.0.2"
   }
 }