remove npm from package.json

package.json

@@ -25,7 +25,6 @@
     "jszip": "^3.1.5",
     "knex": "^0.14.4",
     "multer": "^1.3.0",
-    "npm": "^6.4.1",
     "randomstring": "^1.1.5",
     "sharp": "^0.21.0",
     "sqlite3": "^3.1.13"