mk: Stop building OS X .pkg as part of 'make dist'

This doesn't work quite right yet (we need to build packages for all hosts)
and I'm not ready to turn on new dist artifacts yet, but I want to start doing
dry runs for 0.10, so I'm turning this off for now.

Author: brson

mk/dist.mk

@@ -106,7 +106,7 @@ distcheck: dist
 
 else
 
-dist: $(PKG_TAR) $(PKG_OSX)
+dist: $(PKG_TAR)
 
 distcheck: $(PKG_TAR)
 	$(Q)rm -Rf dist