dev-libs/libdazzle: remove unused patch(es)

Signed-off-by: Michael Mair-Keimberger <m.mairkeimberger@gmail.com>
Closes: https://github.com/gentoo/gentoo/pull/14138
Signed-off-by: Aaron Bauman <bman@gentoo.org>

dev-libs/libdazzle/files/3.30.2-leak-fix.patch

@@ -1,27 +0,0 @@
-From 6f8436709430fd5ebaebd90dd55885636030940d Mon Sep 17 00:00:00 2001
-From: Christian Hergert <chergert@redhat.com>
-Date: Mon, 19 Nov 2018 17:43:24 -0800
-Subject: [PATCH] three-grid: don't leak values from hashtable
-
-We are responsible for freeing the GList chain, so ensure we do that at
-the end of size-allocate.
----
- src/widgets/dzl-three-grid.c | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/src/widgets/dzl-three-grid.c b/src/widgets/dzl-three-grid.c
-index 0de5484..d00d0b1 100644
---- a/src/widgets/dzl-three-grid.c
-+++ b/src/widgets/dzl-three-grid.c
-@@ -569,6 +569,8 @@ dzl_three_grid_size_allocate (GtkWidget     *widget,
-       area.y += child_alloc.height + priv->row_spacing;
-       area.height -= child_alloc.height + priv->row_spacing;
-     }
-+
-+  g_list_free (values);
- }
- 
- static void
--- 
-2.17.0
-