Clean up deps

Author: pimterry

package.json

@@ -110,12 +110,10 @@
     "@types/native-duplexpair": "^1.0.0",
     "@types/request": "2.48.7",
     "@types/semver": "7.5.0",
-    "@types/shelljs": "0.8.9",
     "@types/source-map-support": "0.4.2",
     "@types/ws": " 8.5.3",
     "assert": "^2.0.0",
     "autocannon": "^8.0.0",
-    "brotli-wasm": "^1.0.0",
     "browserify-zlib": "^0.2.0",
     "buffer": "^6.0.3",
     "catch-uncommitted": "^1.0.0",
@@ -135,7 +133,6 @@
     "karma-spec-reporter": "0.0.32",
     "karma-webpack": "^5.0.0",
     "mocha": "^9.1.3",
-    "opn": "^5.1.0",
     "path-browserify": "^1.0.1",
     "process": "^0.11.10",
     "querystring-es3": "^0.2.1",