font-manager: drop included patch

pkgs/applications/misc/font-manager/correct-post-install.patch

@@ -1,13 +0,0 @@
-diff --git a/meson_post_install.py b/meson_post_install.py
-index 8d00e70..c28d19e 100644
---- a/meson_post_install.py
-+++ b/meson_post_install.py
-@@ -7,7 +7,7 @@ prefix = environ['MESON_INSTALL_PREFIX']
- data_dir = path.join(prefix, 'share')
- schema_dir = path.join(data_dir, 'glib-2.0', 'schemas')
- 
--if not environ['DESTDIR']:
-+if not environ.get('DESTDIR'):
-     print('Compiling gsettings schemas...')
-     call(['glib-compile-schemas', schema_dir])
-     print('Updating desktop database...')

pkgs/applications/misc/font-manager/default.nix

@@ -38,10 +38,6 @@ stdenv.mkDerivation rec {
     gnome3.adwaita-icon-theme
   ];
 
-  patches = [
-   ./correct-post-install.patch
-  ];
-
   mesonFlags = [
     "-Ddisable_pycompile=true"
   ];