Add net-misc/chrony USE flag nts and remove USE flag ntp.

portage/package.env

@@ -338,6 +338,7 @@ dev-lua/mpack				basic.conf
 dev-python/cffi				basic.conf
 media-libs/mlt				basic.conf
 dev-python/cython			basic.conf
+sys-auth/elogind			basic.conf
 
 # Chromium
 www-client/chromium			chromium.conf
@@ -350,4 +351,4 @@ dev-libs/libedit			gcc-nopie.conf
 sys-devel/gcc				gcc-nopie.conf
 
 # GCC - Basic
-sys-auth/elogind                        gcc-basic.conf
+#sys-auth/elogind                        gcc-basic.conf

portage/package.mask

@@ -44,7 +44,7 @@ sys-apps/iucode_tool::gentoo
 sys-apps/tcp-wrappers::gentoo
 sys-apps/watchdog::gentoo
 sys-apps/xdg-dbus-proxy::gentoo
-sys-auth/elogind::gentoo
+#sys-auth/elogind::gentoo
 sys-auth/nss-myhostname::gentoo
 sys-auth/polkit::gentoo
 sys-block/partimage::gentoo

portage/package.use

@@ -49,6 +49,7 @@ net-dns/dnsmasq					ipv6
 net-dns/dnsmasq					script
 net-im/profanity				omemo -gpg -otr
 net-libs/nodejs					-lto
+net-misc/chrony					nts -ntp
 sys-auth/polkit					duktape
 sys-block/parted				device-mapper verify-sig
 sys-devel/clang					default-compiler-rt default-lld default-libcxx