build-style/void-cross: remove enable-obsolete-{rpc,nsl} from glibc

also enable glibc cross toolchains on musl

common/build-style/void-cross.sh

@@ -220,8 +220,6 @@ _void_cross_build_glibc_headers() {
 		--host=${tgt} \
 		--with-headers=${wrksrc}/build_root/usr/${tgt}/usr/include \
 		--config-cache \
-		--enable-obsolete-rpc \
-		--enable-obsolete-nsl \
 		--enable-kernel=2.6.27 \
 		${cross_glibc_configure_args}
 
@@ -262,8 +260,6 @@ _void_cross_build_glibc() {
 		--host=${tgt} \
 		--with-headers=${wrksrc}/build_root/usr/${tgt}/usr/include \
 		--config-cache \
-		--enable-obsolete-rpc \
-		--enable-obsolete-nsl \
 		--disable-profile \
 		--disable-werror \
 		--enable-kernel=2.6.27 \

common/environment/build-style/void-cross.sh

@@ -4,10 +4,3 @@ create_wrksrc=yes
 
 nostrip_files+=" libcaf_single.a libgcc.a libgcov.a libgcc_eh.a
  libgnarl_pic.a libgnarl.a libgnat_pic.a libgnat.a libgmem.a"
-
-# glibc crosstoolchains not available on musl hosts yet
-if [ -z "$archs" -a "${cross_triplet/-musl}" = "${cross_triplet}" ]; then
-	if [ "$XBPS_TARGET_LIBC" != "glibc" ]; then
-		archs="~*-musl"
-	fi
-fi