local.conf.sample.extended: Drop obsolete rpc and libnsl

Use libnsl2 and rpcsvc-proto packages

(From meta-yocto rev: c6cfed5e9fba40d106b5b825f119bd47f59a810d)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-poky/conf/local.conf.sample.extended

@@ -32,7 +32,7 @@
 #DISTRO_FEATURES_LIBC = "ipv6 libc-backtrace libc-big-macros libc-bsd libc-cxx-tests libc-catgets libc-charsets libc-crypt \
 #               libc-crypt-ufc libc-db-aliases libc-envz libc-fcvt libc-fmtmsg libc-fstab libc-ftraverse \
 #               libc-getlogin libc-idn libc-inet libc-inet-anl libc-libm libc-locales libc-locale-code \
-#               libc-memusage libc-nis libc-nsswitch libc-rcmd libc-rtld-debug libc-spawn libc-streams libc-sunrpc \
+#               libc-memusage libc-nsswitch libc-rcmd libc-rtld-debug libc-spawn libc-streams \
 #               libc-utmp libc-utmpx libc-wordexp libc-posix-clang-wchar libc-posix-regexp libc-posix-regexp-glibc \
 #               libc-posix-wchar-io"