Makefile: rm RDEPS-BLOB var

It was never needed in the first place, and not used after commit e315bea3.
Reported-by: Stanislav Kinsburgsky <skinsbursky@openvz.org>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>

Makefile

@@ -61,7 +61,6 @@ ROBJS-BLOB	:= restorer.o
 ROBJS		:= $(ROBJS-BLOB)
 ROBJS		+= restorer-log.o
 
-RDEPS-BLOB	+= $(patsubst %.o,%.d,$(ROBJS))
 RSRCS-BLOB	+= $(patsubst %.o,%.c,$(ROBJS))
 
 RSRCS-BLOB	+= $(patsubst %.o,%.c,$(ROBJS-BLOB))