chore(deps): remove unused cross-env dependency

closes #10

Author: JordanForeman

package-lock.json

@@ -43,7 +43,6 @@
     "@types/morgan": "1.9.3",
     "chai": "4.2.0",
     "chance": "1.1.4",
-    "cross-env": "7.0.2",
     "husky": "4.2.3",
     "mocha": "7.1.1",
     "nyc": "15.0.0",