build: Reused .FORCE from nmk

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

Makefile

@@ -195,8 +195,6 @@ endif
 $(eval $(call gen-built-in,images))
 criu-deps	+= images/built-in.o
 
-.PHONY: .FORCE
-
 #
 # Compel get used by CRIU, build it earlier
 include Makefile.compel

criu/Makefile

-.PHONY: .FORCE
-
 # here is a workaround for a bug in libnl-3:
 # 6a8d90f5fec4 "attr: Allow attribute type 0" 
 WRAPFLAGS		+= -Wl,--wrap=nla_parse,--wrap=nlmsg_parse

lib/Makefile

@@ -2,8 +2,6 @@ CRIU_SO			:= libcriu.so
 UAPI_HEADERS		:= lib/c/criu.h images/rpc.proto
 PYTHON_BIN ?= python2
 
-.PHONY: .FORCE
-
 #
 # File to keep track of files installed by setup.py
 CRIT_SETUP_FILES	:= lib/.crit-setup.files

lib/py/Makefile

 all-y	+= libpy-images rpc_pb2.py
 
-.PHONY: .FORCE
-
 $(obj)/images/Makefile: ;
 $(obj)/images/%: .FORCE
 	$(Q) $(MAKE) $(build)=$(obj)/images $@