Fixed failures in distclean target

Building stuff from libutils in test/unit causes make distclean to
delete the same files twice resulting in failure. This happens as an
effect of enabling subdir-objects which causes recursive builds.

Ticket: CFE-2780
Signed-off-by: Lars Erik Wik <[email protected]>

Author: larsewi

tests/unit/Makefile.am

@@ -54,37 +54,6 @@ AM_CFLAGS = $(PTHREAD_CFLAGS)
 check_LTLIBRARIES = libtest.la
 libtest_la_SOURCES = cmockery.c cmockery.h schema.h test.c test.h
 
-libtest_la_LIBADD = ../../libntech/libcompat/libcompat.la
-
-
-check_LTLIBRARIES += libdb.la
-libdb_la_SOURCES = db_stubs.c \
-	../../libpromises/dbm_api.c \
-	../../libpromises/dbm_quick.c \
-	../../libpromises/dbm_tokyocab.c \
-	../../libpromises/dbm_lmdb.c \
-	../../libpromises/dbm_migration.c \
-	../../libpromises/dbm_migration_lastseen.c \
-	../../libpromises/global_mutex.c \
-	../../cf-check/backup.c \
-	../../cf-check/diagnose.c \
-	../../cf-check/lmdump.c \
-	../../cf-check/repair.c \
-	../../cf-check/replicate_lmdb.c \
-	../../cf-check/utilities.c \
-	../../cf-check/validate.c \
-	../../libntech/libutils/logging.c \
-	../../libntech/libutils/mutex.c \
-	../../libntech/libutils/cleanup.c
-if HPUX
-libdb_la_SOURCES += ../../libpromises/cf3globals.c
-endif
-libdb_la_LIBADD = ../../libntech/libutils/libutils.la
-#libdb_la_CPPFLAGS = $(LMDB_CPPFLAGS) $(TOKYOCABINET_CPPFLAGS) $(QDBM_CPPFLAGS)
-# Make sure that source files are compiled to separate object files
-# libdb_la-file.o
-libdb_la_CFLAGS = $(AM_CFLAGS)
-
 check_PROGRAMS = \
 	processes_select_test \
 	arg_split_test \