internal/rosa: evaluate packages from fs

This migrates GNU sed to azalea, and resulting IR matches.

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

internal/rosa/gnu.go

@@ -109,33 +109,6 @@ func init() {
 	})
 }
 
-func (t Toolchain) newSed() (pkg.Artifact, string) {
-	const (
-		version  = "4.10"
-		checksum = "TXTRFQJCyflb-bpBRI2S5Y1DpplwvT7-KfXtpqN4AdZgZ5OtI6yStn1-bkhDKx51"
-	)
-	return t.NewPackage("sed", version, newTar(
-		"https://ftpmirror.gnu.org/gnu/sed/sed-"+version+".tar.gz",
-		checksum,
-		pkg.TarGzip,
-	), nil, (*MakeHelper)(nil),
-		Diffutils,
-
-		KernelHeaders,
-	), version
-}
-func init() {
-	native.MustRegister(&Artifact{
-		f: Toolchain.newSed,
-
-		Name:        "sed",
-		Description: "a non-interactive command-line text editor",
-		Website:     "https://www.gnu.org/software/sed/",
-
-		ID: 4789,
-	})
-}
-
 func (t Toolchain) newAutoconf() (pkg.Artifact, string) {
 	const (
 		version  = "2.73"