dev-util/ply: delete unused .la file

Closes: https://bugs.gentoo.org/846413
Signed-off-by: Zac Medico <zmedico@gentoo.org>

dev-util/ply/ply-2.1.1-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -39,5 +39,6 @@ src_install() {
 
 	if ! use static-libs; then
 		find "${D}" -type f -name '*.a' -delete || die
+		find "${ED}" -name '*.la' -delete || die
 	fi
 }