[ci] Remove need for GitHub token

React is a public repo so no token is needed.

ghstack-source-id: 87e5456b80c822f1c596b0195aaa4236530a6b11
Pull Request resolved: #30482

scripts/release/download-experimental-build-ghaction.js

@@ -51,7 +51,6 @@ const REPO = 'react';
 const WORKFLOW_ID = 'runtime_build_and_test.yml';
 const GITHUB_HEADERS = `
   -H "Accept: application/vnd.github+json" \
-  -H "Authorization: Bearer ${process.env.GH_TOKEN}" \
   -H "X-GitHub-Api-Version: 2022-11-28"`.trim();
 
 function getWorkflowId() {
@@ -171,11 +170,4 @@ const main = async () => {
   }
 };
 
-if (process.env.GH_TOKEN == null) {
-  console.log(
-    theme`{error Expected GH_TOKEN to be provided as an env variable}`
-  );
-  process.exit(1);
-}
-
 main();