* gnu/packages/patches/ytfzf-programs.patch, * gnu/packages/patches/ytfzf-updates.patch: Delete patches. * gnu/local.mk (dist_patch_DATA): Unregister them. * gnu/packages/image-viewers.scm (ytfzf): Update to 2.3. [source]: Delete patches. [arguments]: Remove phase 'patch-script. Add phase 'install-addons, 'wrap-program. Signed-off-by: Ludovic Courtès <ludo@gnu.org>