dev-libs/gdl: Drop old versions

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

dev-libs/gdl/Manifest

@@ -1,2 +1 @@
-DIST gdl-3.34.0.tar.xz 531368 BLAKE2B 5e32c330ab2fda0b9f06de0fd9d7e3f3118b0af36a73f4f0280f069b49002a4d00e5cbfd373d65b0ea7a15bb5b577f8babbdf7ee71ed7db773d2ad65008a452e SHA512 8c43f330556dae67e4f64e92c3ba5c2e9351d3040d6002bda89f20f9494fc93030abe80072f0cf86280f98e290805154e9ca12aaa7013f0a341d8ea94323d3b0
 DIST gdl-3.40.0.tar.xz 534016 BLAKE2B d403da4040053ce81352e14d538d15a5331423c3bb2aa76f38f4da8ccea22790507ca21fc8e6246e29dae1aa4297ecf470a71a0862475e7767a7fe7c03c8d5f4 SHA512 38cf787a47e7eece445c7bf321cb5aa691cc6bdfcb31bc10fb51c83c525b74fc8374a20989621d79e70f25ef92d9d7cce46f6f0bb993cceba3fb93b9092c1e32

dev-libs/gdl/gdl-3.34.0.ebuild

@@ -1,31 +0,0 @@
-# Copyright 1999-2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-inherit gnome2
-
-DESCRIPTION="GNOME docking library"
-HOMEPAGE="https://gitlab.gnome.org/GNOME/gdl"
-
-LICENSE="LGPL-2.1+"
-SLOT="3/5" # subslot = libgdl-3 soname version
-IUSE="+introspection"
-KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 ~sparc x86"
-
-RDEPEND="
-	dev-libs/glib:2
-	>=x11-libs/gtk+-3.0.0:3[introspection?]
-	>=dev-libs/libxml2-2.4:2
-	introspection? ( >=dev-libs/gobject-introspection-0.6.7:= )
-"
-DEPEND="${RDEPEND}
-	>=dev-util/gtk-doc-am-1.4
-	>=dev-util/intltool-0.40.4
-	virtual/pkgconfig
-"
-
-src_configure() {
-	gnome2_src_configure \
-		$(use_enable introspection) \
-		--disable-gtk-doc
-}