Kindsys: Remove Raw kind category (#60992)

* Remove Raw references

* Remove more raws

* Re-generate files

* Remove raw folder from veneer

* Fix import

* Fix lint

* Bring back raw folder in grafana-schema

* Another lint

* Remove use of "Structured" word in kinds

* Delete unused function and remove some structured words

* Bunch more removals of structured name

Co-authored-by: sam boyer <sdboyer@grafana.com>

pkg/codegen/tmpl.go

@@ -38,10 +38,10 @@ type (
 	}
 	tvars_kind_registry struct {
 		// Header tvars_autogen_header
-		NumRaw, NumStructured int
-		PackageName           string
-		KindPackagePrefix     string
-		Kinds                 []*DeclForGen
+		NumStructured     int
+		PackageName       string
+		KindPackagePrefix string
+		Kinds             []*DeclForGen
 	}
 	tvars_coremodel_imports struct {
 		PackageName string