dev-cpp/clucene: [QA] fix UnusedInherits (multilib)

get_libdir has been built-in since EAPI 6

Signed-off-by: Sam James <sam@gentoo.org>

dev-cpp/clucene/clucene-2.3.3.4-r6.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -6,7 +6,7 @@ EAPI=7
 MY_PN="${PN}"-core
 MY_P="${MY_PN}"-"${PV}"
 
-inherit cmake multilib
+inherit cmake
 
 DESCRIPTION="High-performance, full-featured text search engine based off of lucene in C++"
 HOMEPAGE="http://clucene.sourceforge.net/"