internal/rosa: remove busybox patch

This allows different versions of busybox to be attempted, to find one that works on arm.

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

internal/rosa/busybox.go

@@ -350,25 +350,7 @@ ln -vs ../../system/bin/busybox /work/usr/bin/env
 			"https://busybox.net/downloads/busybox-"+version+".tar.bz2",
 			mustDecode(checksum),
 			pkg.TarBzip2,
-		), true, [2]string{"awk-fix-literal-backslash", `diff --git a/editors/awk.c b/editors/awk.c
-index 64e752f4b..40f5ba7f7 100644
---- a/editors/awk.c
-+++ b/editors/awk.c
-@@ -2636,8 +2636,13 @@ static int awk_sub(node *rn, const char *repl, int nm, var *src, var *dest /*,in
- 					resbuf = qrealloc(resbuf, residx + replen + n, &resbufsize);
- 					memcpy(resbuf + residx, sp + pmatch[j].rm_so - start_ofs, n);
- 					residx += n;
--				} else
-+				} else {
-+/* '\\' and '&' following a backslash keep its original meaning, any other
-+ * occurrence of a '\\' should be treated as literal */
-+					if (bslash && c != '\\' && c != '&')
-+						resbuf[residx++] = '\\';
- 					resbuf[residx++] = c;
-+				}
- 				bslash = 0;
- 			}
- 		}`},
+		), false,
 	)))
 }
 func init() { artifactsF[Busybox] = Toolchain.newBusybox }

internal/rosa/rsync.go

@@ -9,6 +9,7 @@ func (t Toolchain) newRsync() pkg.Artifact {
 	)
 	return t.New("rsync-"+version, false, []pkg.Artifact{
 		t.Load(Make),
+		t.Load(Gawk),
 	}, nil, nil, `
 cd "$(mktemp -d)"
 /usr/src/rsync/configure --prefix=/system \