pkgbase: Remove case for runtime and jail package ucl generation

They aren't needed and produce wrong package comments :
We use to have "runtime-dev package" instead of
"FreeBSD Base System (Development Files)" for example

Reviewed by:	bapt
Differential Revision:	https://reviews.freebsd.org/D29168
MFC after:      2 weeks

release/packages/generate-ucl.sh

@@ -44,21 +44,6 @@ main() {
 		runtime)
 			outname="runtime"
 			uclfile="${uclfile}"
-			;;
-		runtime_manuals)
-			outname="${origname}"
-			pkgdeps="runtime"
-			;;
-		runtime_*)
-			outname="${origname}"
-			uclfile="${outname##*}${uclfile}"
-			pkgdeps="runtime"
-			_descr="$(make -C ${srctree}/release/packages -f Makefile.package -V ${outname}_DESCR)"
-			;;
-		jail_*)
-			outname="${origname}"
-			uclfile="${outname##*}${uclfile}"
-			pkgdeps="runtime"
 			_descr="$(make -C ${srctree}/release/packages -f Makefile.package -V ${outname}_DESCR)"
 			;;
 		*_lib32_dev)