build: remove legacy release tooling (#23428)

Removes the legacy release tooling from the repository. We
had two successful releases with the new tool, and the tool
has been used for quite a while in the framework repository.

We will fix issues in the new release tool going forward.

Author: devversion

package.json

@@ -27,8 +27,6 @@
     "deploy-dev-app": "node ./scripts/deploy-dev-app.js",
     "breaking-changes": "ts-node --project scripts/tsconfig.json scripts/breaking-changes.ts",
     "gulp": "gulp",
-    "~~stage-release": "ts-node --project tools/legacy-release/tsconfig.json tools/legacy-release/stage-release.ts",
-    "~~publish-release": "ts-node --project tools/legacy-release/tsconfig.json tools/legacy-release/publish-release.ts",
     "check-entry-point-setup": "node ./scripts/check-entry-point-setup.js",
     "check-rollup-globals": "ts-node --project scripts/tsconfig.json scripts/check-rollup-globals.ts",
     "changelog": "ts-node --project tools/release/tsconfig.json tools/release/changelog.ts",