Use omemo-c instead of libsignal for omemo plugin

net-im/psi-omemo/metadata.xml

@@ -6,6 +6,7 @@
 		<name>Sergey Ilinykh</name>
 	</maintainer>
 	<longdescription lang="en">
-This Psi plugin for OMEMO message encryption
-</longdescription>
+		Provides support for end-to-end encryption for Psi instant messenger.
+		Also used for encrypted downloads and encrypted file transfer.
+	</longdescription>
 </pkgmetadata>

net-im/psi-omemo/psi-omemo-9999.ebuild

@@ -1,15 +1,14 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2024 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 inherit psi-plugin
 
-DESCRIPTION="Psi plugin for OMEMO"
+DESCRIPTION="OMEMO encryption support for Psi instant messenger"
 
 KEYWORDS=""
 IUSE=""
 
-RDEPEND="net-libs/libsignal-protocol-c
-	app-crypt/qca"
+RDEPEND="net-libs/libomemo-c"
 DEPEND="$RDEPEND"