cloop: drop unused target variant

We only support cloop for the host (for fs/cloop), so drop the unused target
variant.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/cloop/cloop.mk

@@ -22,5 +22,4 @@ define HOST_CLOOP_INSTALL_CMDS
 	$(INSTALL) -m 755 $(@D)/extract_compressed_fs $(HOST_DIR)/usr/bin
 endef
 
-$(eval $(generic-package))
 $(eval $(host-generic-package))