chore(deps): remove dev dependencies npm & install (#24)

These were probably added by mistake in #9.

Author: SchroederSteffen

package.json

@@ -43,9 +43,7 @@
     "eslint-plugin-no-only-tests": "3.0.0",
     "eslint-plugin-prettier": "4.2.1",
     "eslint-plugin-security": "1.5.0",
-    "install": "0.13.0",
     "mocha": "10.0.0",
-    "npm": "8.19.2",
     "prettier": "2.7.1",
     "semantic-release": "19.0.5",
     "sinon": "14.0.0",