Makefile: remove obsolete distclean target

distclean removes .libdeps which does not exist anymore

Change-Id: I7d5717b99bf44a610a77177662c208da7f58c9e7
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/59233
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72286
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/Makefile b/Makefile
index e84c7d0..8309517 100644
--- a/Makefile
+++ b/Makefile
@@ -969,9 +969,6 @@
 	rm -f $(PROGRAM) $(PROGRAM).exe libflashrom.a $(filter-out Makefile.d, $(wildcard *.d *.o)) $(PROGRAM).8 $(PROGRAM).8.html $(BUILD_DETAILS_FILE)
 	@+$(MAKE) -C util/ich_descriptors_tool/ clean
 
-distclean: clean
-	rm -f .libdeps
-
 install: $(PROGRAM)$(EXEC_SUFFIX) $(PROGRAM).8
 	mkdir -p $(DESTDIR)$(PREFIX)/sbin
 	mkdir -p $(DESTDIR)$(MANDIR)/man8