:( Remove test-staged script and only lint

- `--findRelatedTests` doesn't seem to be working correctly at all locally right now, so let's just let CI handle test failure reports

Author: cee-chen

package.json

@@ -34,7 +34,6 @@
     "test-ci": "yarn test && yarn test-cypress",
     "test-unit": "cross-env NODE_ENV=test jest --config ./scripts/jest/config.js",
     "test-a11y": "node ./scripts/a11y-testing",
-    "test-staged": "yarn lint && node scripts/test-staged.js",
     "test-cypress": "node ./scripts/cypress",
     "test-cypress-dev": "node ./scripts/cypress --dev",
     "test-cypress-a11y": "node ./scripts/cypress --a11y",
@@ -61,7 +60,7 @@
     "react-focus-lock": "^2.9.5"
   },
   "pre-push": [
-    "test-staged"
+    "lint"
   ],
   "dependencies": {
     "@hello-pangea/dnd": "^16.2.0",