* Makefile (postclean): Remove obsolete sysd-Makefile.
parent-clean: parent-mostlyclean common-clean
postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
- $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) \
+ $(addprefix $(objpfx),sysd-dirs sysd-rules) \
$(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
clean: parent-clean