Revert "Improve the make dev-install message."

The one command running the soffice wrapper that does also
some extra work is the usual and simple case, running soffice.bin
is needed only when launching LO in gdb.

This reverts commit eee2fe2e.

Conflicts:
	Makefile.in

Makefile.in

@@ -386,9 +386,7 @@ ifeq ($(OS),LINUX)
 	@echo
 	@echo "Developer installation finished, you can now execute:"
 	@echo
-	@echo "  cd $(SRCDIR)/install/program"
-	@echo "  . ./ooenv"
-	@echo "  ./soffice.bin"
+	@echo "$(SRCDIR)/install/program/soffice"
 else ifeq ($(OS),MACOSX)
 	@echo
 	@echo "Developer installation finished, you can now run:"