Revert "support ES6-like hash literals."
This reverts commit 0d3797f8b62394f5634f4b2b529d28cb46bebf8a.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50445 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Revert "support ES6-like hash literals."
This reverts commit 0d3797f8b62394f5634f4b2b529d28cb46bebf8a.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50445 b2dd03c8-39d4-4d8f-98ff-823fe69b080e