chore(docs): delete github deployment gate (#15742)

Author: cathteng

docs/organization/integrations/deployment/index.mdx

@@ -7,7 +7,6 @@ description: "Learn more about Sentry's deployment integrations."
 - [Bitbucket Pipelines](/product/releases/setup/release-automation/bitbucket-pipelines/)
 - [Expo](/organization/integrations/deployment/expo/)
 - [GitHub Actions](/product/releases/setup/release-automation/github-actions/)
-- [GitHub Deployment Gates](/product/releases/setup/release-automation/github-deployment-gates/)
 - [Heroku (Legacy)](/organization/integrations/deployment/heroku/)
 - [Netlify](/product/releases/setup/release-automation/netlify/)
 - [Vercel](/organization/integrations/deployment/vercel/)

docs/product/releases/setup/release-automation/github-deployment-gates/index.mdx

@@ -327,10 +327,6 @@ const userDocsRedirects = [
     source: '/organization/integrations/goastai/',
     destination: '/organization/integrations/issue-tracking/goast/',
   },
-  {
-    source: '/organization/integrations/github-deployment-gates/',
-    destination: '/product/releases/setup/release-automation/github-deployment-gates/',
-  },
   {
     source: '/development/sdk-dev/:path*',
     destination: 'https://develop.sentry.dev',

redirects.js

@@ -1251,7 +1251,7 @@ const USER_DOCS_REDIRECTS: Redirect[] = [
   },
   {
     from: '/workflow/releases/release-automation/github-actions/',
-    to: '/product/releases/setup/release-automation/github-deployment-gates/',
+    to: '/product/releases/setup/release-automation/github-actions/',
   },
   {
     from: '/product/releases/setup/manual-setup-releases/',