ci: remove flow-typed (and opencollective) from postinstall

- flow-typed seemed to cause issues on GitHub actions
- will be removed for #102 anyway

Author: neopostmodern

package-lock.json

@@ -34,7 +34,7 @@
     "package-publish": "npm run-script build && electron-builder build -wml --publish always",
     "package-publish-windows-linux": "npm run-script build && electron-builder build -wl --publish always",
     "package-publish-macos": "npm run-script build && electron-builder build -m --publish always",
-    "postinstall": "npm run-script flow-typed && electron-builder install-app-deps && npm run-script build-dll && opencollective-postinstall",
+    "postinstall": "electron-builder install-app-deps && npm run-script build-dll",
     "postlint-fix": "prettier --ignore-path .eslintignore --single-quote --write '**/*.{js,jsx,json,html,css,less,scss,yml}'",
     "postlint-styles-fix": "prettier --ignore-path .eslintignore --single-quote --write '**/*.{css,scss}'",
     "prestart": "npm run-script build",
@@ -203,7 +203,6 @@
     "lint-staged": "^12.1.2",
     "mini-css-extract-plugin": "^2.4.5",
     "node-sass": "^7.0.1",
-    "opencollective-postinstall": "^2.0.3",
     "prettier": "^2.4.1",
     "react-test-renderer": "^17.0.2",
     "redux-logger": "^3.0.6",