* common.mk: Unused target, $(MKMAIN_CMD), removed.

* Makefile.in (MKMAIN_CMD): Unused macro removed.

* win32/Makefile.sub (MKMAIN_CMD): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45579 b2dd03c8-39d4-4d8f-98ff-823fe69b080e