revert: "docs: add coder registry link to docs sidebar" (#18837)

docs/manifest.json

@@ -1767,11 +1767,6 @@
 					]
 				}
 			]
-		},
-		{
-			"title": "Coder Registry",
-			"description": "A collection of Templates and Modules used to create and extend Coder workspaces.",
-			"path": "./registry/index.md"
 		}
 	]
 }

docs/registry/index.md

@@ -1,5 +0,0 @@
----
-redirect: https://registry.coder.com
----
-
-If you are not redirected automatically, visit [Coder Registry](https://registry.coder.com).