net-analyzer/sngrep: Drop IUSE=logo

I assumed without checking that the logo would be used in the installed
code, but it turns out that it is only used to display the logo during
the configure phase.

Package-Manager: Portage-2.3.100, Repoman-2.3.22
Signed-off-by: Jeroen Roovers <jer@gentoo.org>

net-analyzer/sngrep/metadata.xml

@@ -7,7 +7,6 @@
 <use>
 <flag name='eep'>Enable EEP packet send/receive support</flag>
 <flag name='gnutls'>Use <pkg>net-libs/gnutls</pkg> to parse captured TLS packets</flag>
-<flag name='logo'>Enable Irontec Logo from Summary menu</flag>
 <flag name='openssl'>Use <pkg>dev-libs/openssl</pkg> to parse captured TLS packets</flag>
 </use>
 </pkgmetadata>

net-analyzer/sngrep/sngrep-1.4.7.ebuild

@@ -11,7 +11,7 @@ SRC_URI="https://github.com/irontec/sngrep/releases/download/v${PV}/${P}.tar.gz"
 LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-IUSE="eep gnutls ipv6 logo openssl pcre unicode"
+IUSE="eep gnutls ipv6 openssl pcre unicode"
 REQUIRED_USE="
 	gnutls? ( !openssl )
 "
@@ -37,7 +37,6 @@ src_configure() {
 	econf \
 		$(use_enable eep) \
 		$(use_enable ipv6) \
-		$(use_enable logo) \
 		$(use_enable unicode) \
 		$(use_with gnutls) \
 		$(use_with openssl) \