internal/rosa/python: migrate setuptools to wrapper

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

internal/rosa/python.go

@@ -210,32 +210,21 @@ func newPypi(
 	}
 }
 
-func (t Toolchain) newSetuptools() (pkg.Artifact, string) {
+func init() {
 	const (
 		version  = "82.0.1"
 		checksum = "nznP46Tj539yqswtOrIM4nQgwLA1h-ApKX7z7ghazROCpyF5swtQGwsZoI93wkhc"
 	)
-	return t.NewPackage("setuptools", version, newFromGitHub(
-		"pypa/setuptools",
-		"v"+version, checksum,
-	), nil, &PipHelper{
-		BuildIsolation: true,
-	}), version
-}
-func init() {
-	artifactsM[Setuptools] = Metadata{
-		f: Toolchain.newSetuptools,
-
-		Name:        "python-setuptools",
-		Description: "the autotools of the Python ecosystem",
-		Website:     "https://pypi.org/project/setuptools/",
-
-		Dependencies: P{
-			Python,
-		},
-
-		ID: 4021,
-	}
+	artifactsM[Setuptools] = newPythonPackage(
+		"setuptools", 4021,
+		"the autotools of the Python ecosystem",
+		"https://pypi.org/project/setuptools/",
+		version, newFromGitHub(
+			"pypa/setuptools",
+			"v"+version, checksum,
+		), nil, &PipHelper{
+			BuildIsolation: true,
+		}, nil)
 }
 
 func init() {