Revert "any block within transformed left-recursive rule gets "grammar region" map to entire original rule."

This reverts commit 0395c11027e89ff257bb8d6c4a70e6a4b15776f5.
any block within transformed left-recursive rule gets "grammar region" map to entire original rule.
handle RULE region now too.
Merge branch 'atn-profiler' into 4.2.3-dev