internal/rosa: populate runtime dependencies

This also removes manually resolved indirect dependencies.

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

internal/rosa/go.go

@@ -74,22 +74,8 @@ func (t Toolchain) newGoLatest() (pkg.Artifact, string) {
 		bootstrapExtra = append(bootstrapExtra, t.newGoBootstrap())
 
 	case "arm64":
-		bootstrapEnv = append(bootstrapEnv,
-			"GOROOT_BOOTSTRAP=/system",
-		)
-		bootstrapExtra = append(bootstrapExtra,
-			t.Load(Binutils),
-
-			t.Load(GMP),
-			t.Load(MPFR),
-			t.Load(MPC),
-
-			t.Load(Zlib),
-			t.Load(Libucontext),
-
-			t.Load(gcc),
-		)
-
+		bootstrapEnv = append(bootstrapEnv, "GOROOT_BOOTSTRAP=/system")
+		bootstrapExtra = t.AppendPresets(bootstrapExtra, gcc)
 		finalEnv = append(finalEnv, "CGO_ENABLED=0")
 
 	default: