Revert "chore: add script to resync caretaker app open PRs (#18732)"

This reverts commit f2fe9e7.

Author: mmalerba

package.json

@@ -40,8 +40,7 @@
     "cherry-pick-patch": "ts-node --project tools/cherry-pick-patch/ tools/cherry-pick-patch/cherry-pick-patch.ts",
     "ownerslint": "ts-node --project scripts/ scripts/ownerslint.ts",
     "tslint": "tslint -c tslint.json --project ./tsconfig.json",
-    "stylelint": "stylelint \"src/**/*.+(css|scss)\" --config .stylelintrc.json --syntax scss",
-    "resync-caretaker-app": "ts-node --project scripts scripts/caretaking/resync-caretaker-app-prs.ts"
+    "stylelint": "stylelint \"src/**/*.+(css|scss)\" --config .stylelintrc.json --syntax scss"
   },
   "version": "9.1.1",
   "dependencies": {
@@ -78,7 +77,7 @@
     "@bazel/protractor": "^1.4.0",
     "@bazel/typescript": "^1.4.0",
     "@firebase/app-types": "^0.3.2",
-    "@octokit/rest": "^17.0.0",
+    "@octokit/rest": "^16.28.7",
     "@schematics/angular": "^9.0.4",
     "@types/browser-sync": "^2.26.1",
     "@types/fs-extra": "^4.0.3",
@@ -90,7 +89,6 @@
     "@types/merge2": "^0.3.30",
     "@types/minimist": "^1.2.0",
     "@types/node": "^12.11.1",
-    "@types/node-fetch": "^2.5.5",
     "@types/parse5": "^5.0.0",
     "@types/run-sequence": "^0.0.29",
     "@types/semver": "^6.2.0",
@@ -130,7 +128,6 @@
     "minimatch": "^3.0.4",
     "minimist": "^1.2.0",
     "moment": "^2.18.1",
-    "node-fetch": "^2.6.0",
     "parse5": "^5.0.0",
     "protractor": "^5.4.2",
     "requirejs": "^2.3.6",