parse.y: simplify local ID condition
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parse.y: simplify local ID condition
can be a local id only when called from parse_ident(), but never
from parse_gvar() and parse_atmark().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e