Revert "syscalls/msgstress: Add common file for msgstress"

This reverts commit 4efc934.

Merged by accident, sorry.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>

Author: metan-ucw

testcases/kernel/syscalls/ipc/msgstress/Makefile

@@ -6,7 +6,7 @@ top_srcdir              ?= ../../../../..
 LTPLIBS = ltpipc
 
 include $(top_srcdir)/include/mk/testcases.mk
-FILTER_OUT_MAKE_TARGETS         := msgstress_common
+
 LTPLDLIBS  += -lltpipc
 
 include $(top_srcdir)/include/mk/generic_leaf_target.mk