Remove Un-Used Command

Remove the cross-env command since it was un-used.
The cross-env package is also depricated.
The Node_environment should be set externally, not inline with the test script.
Additionally, it wasn't even used in this project...

package.json

@@ -6,7 +6,7 @@
   "repository": "github:rhys-vdw/ts-auto-guard",
   "main": "lib/index.js",
   "scripts": {
-    "test": "cross-env NODE_ENV=test && npm run lint && npm run format:check && tape -r ts-node/register tests/**/*.test.ts | tap-diff",
+    "test": "npm run lint && npm run format:check && tape -r ts-node/register tests/**/*.test.ts | tap-diff",
     "build": "tsc",
     "prepare": "npm run build",
     "lint": "eslint .",
@@ -31,7 +31,6 @@
     "@types/node": "^20.14.1",
     "@types/tape": "^5.6.4",
     "@types/uglify-js": "^3.17.5",
-    "cross-env": "^7.0.3",
     "eslint": "^8.57.0",
     "prettier": "^3.3.0",
     "tape": "^5.7.5",
@@ -40,4 +39,4 @@
     "typescript-eslint": "^7.12.0",
     "uglify-js": "^3.17.4"
   }
-}
+}