Authz: Remove legacy API Key permissions (#110860)

* remove API key roles

* remove API key gen

* remove frontend and doc mentions

* restore legacy keygen

* restore codeowners

* prettier

* update swagger

* remove permissions including apikeys

* add migrator for removing deprecated permissions

* add tracing

* update openapi3

* simplify migrator for now

* accesscontrol/migrator: remove batching for deprecated permissions deletion

pkg/services/accesscontrol/permreg/permreg.go

@@ -82,7 +82,6 @@ func newPermissionRegistry() *permissionRegistry {
 		"dashboards":          "dashboards:uid:",
 		"folders":             "folders:uid:",
 		"annotations":         "annotations:type:",
-		"apikeys":             "apikeys:id:",
 		"orgs":                "orgs:id:",
 		"plugins":             "plugins:id:",
 		"provisioners":        "provisioners:",