Remove from Makefile.pre.in

Author: StanFromIreland

Makefile.pre.in

@@ -3231,10 +3231,6 @@ rmtestturds:
 docclean:
 	$(MAKE) -C $(srcdir)/Doc clean
 
-.PHONY: idlehelp
-idlehelp:
-	@echo "To regenerate Lib/idlelib/help.html, run make idlehelp in the Doc directory."
-
 # like the 'clean' target but retain the profile guided optimization (PGO)
 # data.  The PGO data is only valid if source code remains unchanged.
 .PHONY: clean-retain-profile