internal/rosa: populate runtime dependencies

This also removes manually resolved indirect dependencies.

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

internal/rosa/nss.go

@@ -75,6 +75,10 @@ func init() {
 		Description: "Network Security Services",
 		Website:     "https://firefox-source-docs.mozilla.org/security/nss/index.html",
 
+		Dependencies: P{
+			Zlib,
+		},
+
 		ID: 2503,
 	}
 }
@@ -92,14 +96,12 @@ func init() {
 }
 
 func (t Toolchain) newNSSCACert() (pkg.Artifact, string) {
-	return t.New("nss-cacert", 0, []pkg.Artifact{
-		t.Load(Zlib),
-		t.Load(Bash),
-		t.Load(Python),
+	return t.New("nss-cacert", 0, t.AppendPresets(nil,
+		Bash,
 
-		t.Load(NSS),
-		t.Load(buildcatrust),
-	}, nil, nil, `
+		NSS,
+		buildcatrust,
+	), nil, nil, `
 mkdir -p /work/system/etc/ssl/{certs/unbundled,certs/hashed,trust-source}
 buildcatrust \
 	--certdata_input /system/nss/certdata.txt \