Remove waitlist link for app (#61705)

Author: saritai

data/reusables/gated-features/github-app.md

@@ -1 +1 @@
-{% data variables.copilot.github_copilot_app %} is in {% data variables.release-phases.technical_preview %}. {% data variables.copilot.copilot_for_business %}, {% data variables.copilot.copilot_enterprise %}, {% data variables.copilot.copilot_pro %}, and {% data variables.copilot.copilot_pro_plus %} users can download and use the app. {% data variables.copilot.copilot_free %} users and users without a {% data variables.product.prodname_copilot_short %} plan can [join the waitlist](https://gh.io/github-copilot-app?utm_source=docs-github-copilot-app-permissions-waitlist&utm_medium=docs&utm_campaign=msbuild-2026) to request access.
+{% data variables.copilot.github_copilot_app %} is in {% data variables.release-phases.technical_preview %}. {% data variables.copilot.copilot_for_business %}, {% data variables.copilot.copilot_enterprise %}, {% data variables.copilot.copilot_pro %}, and {% data variables.copilot.copilot_pro_plus %} users can download and use the app.