Schemas: Replace registry generation and github workflow (#83490)

* Create small registries for core and composable kinds

* Update workflow with new registries

* Fix imports in plugin schemas and deleted old registry generation files

* Remove verification and maturity

* Modify registries and add missing composable information to make schemas in kind-registry work

* Add missing aliases

* Remove unused templates

* Remove kinds verification

* Format generated code

* Add gen header

* Delete unused code and clean path in composable template

* Delete kind-registry loader

* Delete unused code

* Update License link

* Update codeowners path

* Sort imports

* More cleanup

* Remove verify-kinds.yml from codeowners

* Fix lint

* Update composable_kidns

* Fix cue extension

* Restore verify-kinds to avoid to push outdated kind's registry

* Fix composable format

* Restore code owners for verify-kinds

* Remove verify check

pkg/plugins/codegen/tmpl.go

@@ -22,12 +22,13 @@ var tmplFS embed.FS
 // The following group of types, beginning with templateVars_*, all contain the set
 // of variables expected by the corresponding named template file under tmpl/
 type (
-	templateVars_plugin_registry struct {
-		Plugins []struct {
-			PkgName    string
-			Path       string
-			ImportPath string
-			NoAlias    bool
-		}
+	tmpl_vars_plugin_registry struct {
+		Schemas []Schema
+	}
+
+	Schema struct {
+		Name     string
+		Filename string
+		FilePath string
 	}
 )