Delete unused Circle CI scripts.

[elas7]

This PR deletes several Circle CI script files from /scripts/circleci and /scripts/release that are not used anymore.

Deleted files:

• /scripts/circleci/add_build_info_json.sh and /scripts/release/ci-add-build-info-json.js
  • Introduced in Publish a local release (canary or stable) to NPM #14260
  • The last reference was removed in 2375670
• /scripts/circleci/bench.sh
  • Introduced in Add React benchmarking infrastructure #9465
  • The last reference was removed in Run 90% of tests on compiled bundles (both development and production) #11633
• /scripts/circleci/check_minified_errors.sh
  • Introduced in Don't extract errors in CI #15758
  • The last reference was removed in Follow-up improvements to error code extraction infra #22516
• /scripts/circleci/pack_and_store_artifact.sh
  • Introduced in Save CI-built node_modules as build artifacts #14205
  • The last reference was removed in Delete consolidateBundleSizes script #20724
• /scripts/circleci/set_up_github_keys.sh
  • Introduced in Add circle.yml / CircleCI support #8486
  • The last reference was removed in Parallelize CircleCI jobs using workflows #15704
• /scripts/circleci/test_coverage.sh
  • Introduced in Add circle.yml / CircleCI support #8486
  • The last reference was removed in [CI] Disable coverage #16380
• /scripts/circleci/update_package_versions.sh and /scripts/release/ci-update-package-versions.js
  • Introduced in Publish a local release (canary or stable) to NPM #14260
  • The last reference was removed in 2375670

[sizebot]

Comparing: ee06906...e2dcb5c

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.min.js	=	129.55 kB	129.55 kB	=	41.43 kB	41.43 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js	=	134.52 kB	134.52 kB	=	42.89 kB	42.89 kB
facebook-www/ReactDOM-prod.classic.js	=	423.36 kB	423.36 kB	=	78.05 kB	78.05 kB
facebook-www/ReactDOM-prod.modern.js	=	411.92 kB	411.92 kB	=	76.30 kB	76.30 kB
facebook-www/ReactDOMForked-prod.classic.js	=	423.36 kB	423.36 kB	=	78.06 kB	78.06 kB

Significant size changes

Includes any change greater than 0.2%:

(No significant changes)

Generated by 🚫 dangerJS against e2dcb5c

[gaearon]

thanks