dev-lisp/c2ffi: Drop old ebuild using deprecated llvm eclass

Bug: https://bugs.gentoo.org/945344
Signed-off-by: Harald Judt <h.judt@gmx.at>
Closes: https://github.com/gentoo/gentoo/pull/40032
Signed-off-by: Joonas Niilola <juippis@gentoo.org>

dev-lisp/c2ffi/c2ffi-18.1.0.20240926.ebuild

@@ -1,22 +0,0 @@
-# Copyright 2019-2024 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-LLVM_MAX_SLOT=18
-inherit cmake llvm
-
-MY_COMMIT="0de81efb64acc82c08c5eee4a7108ddcb1b00d86"
-
-DESCRIPTION="Clang-based FFI wrapper generator for Common Lisp"
-HOMEPAGE="https://github.com/rpav/c2ffi"
-SRC_URI="https://github.com/rpav/c2ffi/archive/${MY_COMMIT}.tar.gz -> ${P}.tar.gz"
-S="${WORKDIR}/c2ffi-${MY_COMMIT}"
-
-LICENSE="LGPL-2.1"
-SLOT="0"
-KEYWORDS="~amd64"
-
-DEPEND="llvm-core/clang:${LLVM_MAX_SLOT}
-	llvm-core/llvm:${LLVM_MAX_SLOT}"
-RDEPEND="${DEPEND}"