internal/rosa: populate runtime dependencies

This also removes manually resolved indirect dependencies.

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

internal/rosa/kernel.go

@@ -1246,13 +1246,9 @@ rm -v /work/system/lib/modules/` + kernelVersion + `/build
 		Python,
 
 		XZ,
-		Zlib,
 		Gzip,
-		Bzip2,
-		Zstd,
 		Kmod,
 		Elfutils,
-		OpenSSL,
 		UtilLinux,
 		KernelHeaders,
 	), kernelVersion
@@ -1315,9 +1311,7 @@ func (t Toolchain) newFirmware() (pkg.Artifact, string) {
 		SkipCheck: true, // requires pre-commit
 		Install:   `make "-j$(nproc)" DESTDIR=/work/system dedup`,
 	},
-		Perl,
 		Parallel,
-		Nettle,
 		Rdfind,
 		Zstd,
 		Findutils,