dev-cpp/gtkmm: Drop old versions

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

dev-cpp/gtkmm/Manifest

@@ -1,4 +1,3 @@
 DIST gtkmm-2.24.5.tar.xz 12022024 BLAKE2B 6b2bca9fe6ad81cd956e1f3cc3140bc503b78386cf3931c8eeac08c8b2a08c73450bdbb703d1febaee67cdf834093ff5e89790f866357190822613a68a596ad3 SHA512 c50e52830977c37181439f4b82a30ac8bead0cf9022d2bec8225f8dc33e08414f863bf67056e1938fae8f888c09a5a6d757acc011fa9331a78caa6bb626dd51e
 DIST gtkmm-3.24.6.tar.xz 13530384 BLAKE2B 74fdf054a69a483a25234d30cc8cb920a3c1c8609601802d92bf7c57fcdc468d29bedf32b34997fbcaa5f72a07e467bc68a0c87a481b071d95a3a068e9fcaac7 SHA512 d6fc2d0689baca2b968820d1af86cc0b175b6f38f720d315bc50663d30bd0a841da57ac4336abec236542fb2893b28b2de84087419b73aba58b41f07568d4d93
-DIST gtkmm-4.6.0.tar.xz 13910344 BLAKE2B fd46c2e0fbda32daf472cae00591ab2cff6027dc0dfeee627ab1e3ac8d44066e702781ba452926dd808b30de260f9f6700242b0d80abd91b2b3ee5faef6eee17 SHA512 d1040be44d133cfa016efc581b79c5303806d0d441b57dcc22bd84a05c3e7934f9b7b894e71d7f4a0be332daba3dd58ef558f58070b83bf8a9de7d1027d92199
 DIST gtkmm-4.6.1.tar.xz 13911284 BLAKE2B a456d19a7a5146f6a4ba93a77a053318353f14152488703c77c5a5d8532b1caa074954af875559bea8739022e4ca2cda49ed6a424946362bf39c0acd94a3a69c SHA512 87867deb2b4b0e50841e42d5957f9030c31c4ec1178b71a884a84c3c3aca178100ceb011729559f8f8f761dbe241c3cf4d420cc16c5b5aedcdd1d78f582d006d

dev-cpp/gtkmm/gtkmm-4.6.0.ebuild

@@ -1,52 +0,0 @@
-# Copyright 1999-2022 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-PYTHON_COMPAT=( python3_{8..10} )
-inherit gnome.org meson python-any-r1 virtualx
-
-DESCRIPTION="C++ interface for GTK+"
-HOMEPAGE="https://www.gtkmm.org"
-
-LICENSE="LGPL-2.1+"
-SLOT="4.0"
-KEYWORDS="amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux ~x86-solaris"
-IUSE="doc test"
-
-RESTRICT="!test? ( test )"
-
-RDEPEND="
-	>=dev-cpp/glibmm-2.68.0:2.68[doc?]
-	>=gui-libs/gtk-4.6.0:4
-	>=dev-cpp/cairomm-1.15.4:1.16[doc?]
-	>=dev-cpp/pangomm-2.50.0:2.48[doc?]
-	>=x11-libs/gdk-pixbuf-2.35.5:2
-	>=media-libs/libepoxy-1.2
-"
-DEPEND="
-	${RDEPEND}
-	doc? ( dev-libs/libsigc++:3 )
-"
-BDEPEND="
-	virtual/pkgconfig
-	doc? (
-		app-doc/doxygen[dot]
-		dev-lang/perl
-		dev-libs/libxslt
-	)
-	${PYTHON_DEPS}
-"
-
-src_configure() {
-	local emesonargs=(
-		-Dbuild-demos=false
-		$(meson_use doc build-documentation)
-		$(meson_use test build-tests)
-	)
-	meson_src_configure
-}
-
-src_test() {
-	virtx meson_src_test
-}