Core: Remove thema and kindsys dependencies (#84499)

* Move some thema code inside grafana

* Use new codegen instead of thema for core kinds

* Replace TS generator

* Use new generator for go types

* Remove thema from oapi generator

* Remove thema from generators

* Don't use kindsys/thema for core kinds

* Remove kindsys/thema from plugins

* Remove last thema related

* Remove most of cuectx and move utils_ts into codegen. It also deletes wire dependency

* Merge plugins generators

* Delete thema dependency 🎉

* Fix CODEOWNERS

* Fix package name

* Fix TS output names

* More path fixes

* Fix mod codeowners

* Use original plugin's name

* Remove kindsys dependency 🎉

* Modify oapi schema and create an apply function to fix elasticsearch errors

* cue.mod was deleted by mistake

* Fix TS panels

* sort imports

* Fixing elasticsearch output

* Downgrade oapi-codegen library

* Update output ts files

* More fixes

* Restore old elasticsearch generated file and skip its generation. Remove core imports into plugins

* More lint fixes

* Add codeowners

* restore embed.go file

* Fix embed.go

pkg/codegen/generators.go

@@ -7,14 +7,12 @@ import (
 
 	"cuelang.org/go/cue"
 	"github.com/grafana/codejen"
-	"github.com/grafana/kindsys"
-	"github.com/grafana/thema"
 )
 
-type OneToOne codejen.OneToOne[kindsys.Kind]
-type OneToMany codejen.OneToMany[kindsys.Kind]
-type ManyToOne codejen.ManyToOne[kindsys.Kind]
-type ManyToMany codejen.ManyToMany[kindsys.Kind]
+type OneToOne codejen.OneToOne[SchemaForGen]
+type OneToMany codejen.OneToMany[SchemaForGen]
+type ManyToOne codejen.ManyToOne[SchemaForGen]
+type ManyToMany codejen.ManyToMany[SchemaForGen]
 
 // SlashHeaderMapper produces a FileMapper that injects a comment header onto
 // a [codejen.File] indicating the main generator that produced it (via the provided
@@ -47,21 +45,10 @@ func SlashHeaderMapper(maingen string) codejen.FileMapper {
 	}
 }
 
-// SchemaForGen is an intermediate values type for jennies that holds both a thema.Schema,
-// and values relevant to generating the schema that should properly, eventually, be in
-// thema itself.
-//
-// TODO this will be replaced by thema-native constructs
 type SchemaForGen struct {
-	// The PascalCase name of the schematized type.
-	Name string
-	// The schema to be rendered for the type itself.
-	Schema thema.Schema
-	// Whether the schema is grouped. See https://github.com/grafana/thema/issues/62
-	IsGroup bool
-}
-
-type CueSchema struct {
-	CueFile  cue.Value
-	FilePath string
+	Name       string
+	CueFile    cue.Value
+	FilePath   string
+	IsGroup    bool
+	OutputName string // Some TS output files are capitalised and others not.
 }