Makefile: do not attempt to show Org version from Emacs' perspective

* mk/targets.mk: Remove invocation of $(SHOWVER).  Emacs does some
  stupid ioctl when org-fixup gets invoked and messes up the output.

* mk/default.mk: Remove definition of $(SHOWVER).

mk/default.mk

@@ -71,10 +71,6 @@ BATCH	= $(EMACS) -batch -Q
 BATCHO	= $(BATCH) \
 	  --eval '(add-to-list '"'"'load-path "./lisp")'
 
-# How to show Org version
-SHOWVER = $(BATCHO) \
-	  --eval '(org-version nil '"'"'full '"'"'message)'
-
 # How to generate local.mk
 MAKE_LOCAL_MK = $(BATCHO) \
 	  --eval '(load "org-compat.el")' \

mk/targets.mk

@@ -67,7 +67,6 @@ config-cmd config-all::
 config config-test config-exe config-all config-version::
 	$(info ========= Org version)
 	$(info make:  Org-mode version $(ORGVERSION) ($(GITVERSION) => $(lispdir)))
-	@echo -n "emacs: " ; $(SHOWVER)
 	@echo ""
 
 oldorg:	compile info	# what the old makefile did when no target was specified