chore: remove unused dependencies

Author: thetutlage

package.json

@@ -45,7 +45,6 @@
     "@swc/core": "^1.3.36",
     "@types/node": "^18.14.3",
     "c8": "^7.13.0",
-    "copyfiles": "^2.4.1",
     "cross-env": "^7.0.3",
     "del-cli": "^5.0.0",
     "eslint": "^8.34.0",