app-admin/monit: Drop ipv6 useflag

Signed-off-by: Patrick Lauer <patrick@gentoo.org>

app-admin/monit/monit-5.34.0.ebuild

@@ -12,7 +12,7 @@ SRC_URI="http://mmonit.com/monit/dist/${P}.tar.gz"
 LICENSE="AGPL-3"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~x86 ~amd64-linux"
-IUSE="ipv6 pam ssl"
+IUSE="pam ssl"
 
 RDEPEND="sys-libs/zlib:=
 	virtual/libcrypt:=
@@ -32,7 +32,6 @@ src_prepare() {
 
 src_configure() {
 	local myeconfargs=(
-		$(use_with ipv6)
 		$(use_with pam)
 		$(use_with ssl)
 	)