Update package.json

package.json

@@ -56,16 +56,10 @@
     "gulp-javascript-obfuscator": "^1.1.6",
     "javascript-obfuscator": "^4.0.2",
     "portfinder": "^1.0.32",
-    "postcss": "^8.4.23",
     "prettier": "^2.8.8",
     "rimraf": "^5.0.0",
     "rollup": "^3.21.0",
-    "rollup-plugin-copy": "^3.4.0",
-    "rollup-plugin-obfuscator": "^1.0.3",
-    "rollup-plugin-postcss": "^4.0.2",
-    "rollup-plugin-require-context": "^1.0.1",
     "rollup-plugin-scss": "^4.0.0",
-    "rollup-plugin-uglify": "^6.0.4",
     "sass": "^1.62.1",
     "shelljs": "^0.8.5",
     "supercluster": "^8.0.1",