Revert "Add PAST::Block.multi accessor to store multi information." This one doesn't belong to trunk.
Revert "Add PAST::Block.multi accessor to store multi information." This
one doesn't belong to trunk.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@46750 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot