EffectiveStmtCtx.Current version on this method is deferring to
the StmtContext version. That is not needed, as EffectiveStmtCtx
gives us everything we need.
JIRA: YANGTOOLS-1186
Change-Id: I8eedc34c6513b8aa6825ba8b63171111379f03ce Signed-off-by: Robert Varga <robert.varga@pantheon.tech>