internal/rosa: remove unused helpers

These are no longer needed after migration.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/python.go

@@ -1,17 +1,11 @@
 package rosa
 
-import (
-	"slices"
-
-	"hakurei.app/internal/pkg"
-)
-
 var (
 	_python       = H("python")
 	_pythonPyTest = H("python-pytest")
 )
 
-// PipHelper is the [Python] pip packaging helper.
+// PipHelper installs python packages from source using pip.
 type PipHelper struct {
 	// Path elements joined with source.
 	Append []string
@@ -94,27 +88,3 @@ pip3 install \
 	'` + sourcePath.String() + `'
 ` + script
 }
-
-// newPythonPackage registers a new [Python] package.
-func (s *S) newPythonPackage(
-	name string, id int, description, website, version string,
-	source pkg.Artifact, attrP *PackageAttr, attr *PipHelper,
-	build P, extra ...ArtifactH,
-) {
-	name = "python-" + name
-	s.MustRegister(name, func(t Toolchain) (*Metadata, pkg.Artifact) {
-		return &Metadata{
-				Name:        name,
-				Description: description,
-				Website:     website,
-				Version:     version,
-
-				Dependencies: slices.Concat(P{_python}, extra),
-
-				ID: id,
-			}, t.NewPackage(name, version, source, attrP, attr, slices.Concat(
-				extra,
-				build,
-			)...)
-	})
-}