dev-util/volk: Drop old versions

Signed-off-by: Matt Turner <mattst88@gentoo.org>

dev-util/volk/Manifest

@@ -1,2 +1 @@
-DIST volk-1.4.304.0.tar.gz 65511 BLAKE2B 31e9faf00a3abba7f226e1c08b924d6b3575b670b51cad157a02bf4594ebad64483d88dae9bd4ddae8b8766214db47ed4aab1b14ba0f5cec6d29910628fb7b98 SHA512 de7c58e7242e7c876cf40ef87c7e65b1baf1d73759fe3d98c5bfafd81e5ef56d9a7421c782d04c3180673e502cbbf430bcf14e4ebe12ec9634f400446937602c
 DIST volk-1.4.309.0.tar.gz 66894 BLAKE2B 4cad0ff2f54ac0f23cbf98d6b7ab0776e3f201626ba1ad2c90531de88c6a2dd21a3b4e5f7d03ab43ee4213957b3cba0c21bfae8c7136394aa9b4004a89761b2e SHA512 0be7705dfd643582fcd156972b69216e2f42bdf4cf42846a9ad21e5165cb38c0c1912d2786d4bfff8553c3b9b3664318e6efe9067ce1d73417539999434826cb

dev-util/volk/volk-1.4.304.0.ebuild

@@ -1,36 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit cmake-multilib
-
-if [[ ${PV} == *9999* ]]; then
-	EGIT_REPO_URI="https://github.com/zeux/volk.git"
-	inherit git-r3
-else
-	EGIT_COMMIT="vulkan-sdk-${PV}"
-	SRC_URI="https://github.com/zeux/volk/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz"
-	KEYWORDS="amd64 arm arm64 ~loong ppc ppc64 ~riscv"
-	S="${WORKDIR}"/${PN}-${EGIT_COMMIT}
-fi
-
-DESCRIPTION="Meta loader for Vulkan API"
-HOMEPAGE="https://github.com/zeux/volk"
-
-LICENSE="MIT"
-SLOT="0"
-IUSE="test"
-RESTRICT="!test? ( test )"
-
-RDEPEND="~media-libs/vulkan-loader-${PV}:=[${MULTILIB_USEDEP}]"
-DEPEND="${RDEPEND}
-	~dev-util/vulkan-headers-${PV}
-"
-
-multilib_src_configure() {
-	local mycmakeargs=(
-		-DVOLK_INSTALL=on
-	)
-	cmake_src_configure
-}