ddrescue: use generic extract command

The generic code now knows how to extract .tar.lz archives. Remove the local
extract code

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/ddrescue/ddrescue.mk

@@ -9,12 +9,6 @@ DDRESCUE_SOURCE = ddrescue-$(DDRESCUE_VERSION).tar.lz
 DDRESCUE_SITE = http://download.savannah.gnu.org/releases/ddrescue
 DDRESCUE_LICENSE = GPLv2+
 DDRESCUE_LICENSE_FILES = COPYING
-DDRESCUE_DEPENDENCIES = host-lzip
-
-define DDRESCUE_EXTRACT_CMDS
-	$(HOST_DIR)/usr/bin/lzip -d -c $(DL_DIR)/$(DDRESCUE_SOURCE) | \
-		tar --strip-components=1 -C $(@D) $(TAR_OPTIONS) -
-endef
 
 define DDRESCUE_CONFIGURE_CMDS
 	(cd $(@D); \