boolean cleanupNonDirty(InternalRegion r) {
    if (isDirty()) {
      return false;
    } else {
      cleanup(r);
      return true;
    }
  }
If the entry is not dirty (read only) then clean it up.

@return true if this entry is not dirty.
geode-core/src/main/java/org/apache/geode/internal/cache/TXEntryState.java