When compressing translations, remove the uncompressed version

It may cause build problems later if we keep it around

tools/make_disc_trees.pl

@@ -655,6 +655,7 @@ sub recompress {
 		! ($filename =~ m/\/.*\/i18n\/(Translation.*gz)$/o)) {
 		system("rm -f $_.gz");
 		system("gzip -9c < $_ >$_.gz");
+		system("rm -f $_");
 	}
 }