remove duplicate depend, its work for bb_mkdepend
diff --git a/miscutils/Makefile.in b/miscutils/Makefile.in
index 6e18584..13d20f4 100644
--- a/miscutils/Makefile.in
+++ b/miscutils/Makefile.in
@@ -58,8 +58,6 @@
 $(top_builddir)/include/bbconfigopts.h: $(top_builddir)/.config
 	$(top_builddir)/scripts/config/mkconfigs > $(top_builddir)/include/bbconfigopts.h
 
-$(MISCUTILS_DIR)bbconfig.o: $(top_builddir)/include/bbconfigopts.h
-
 $(MISCUTILS_DIR)%.o: $(srcdir)/%.c
 	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<