message: Remove enable_before_stmt_instrumentation
  Summary: Dead code.
diff: @@ -249,15 +249,6 @@ impl<'v, 'a> Evaluator<'v, 'a> {
  }
  }
  - /// Generate instructions to invoke before stmt callbacks when evaluating the module,
  - /// even if this module does not use any such callbacks.
  - ///
  - /// This function need to be called when evaluating a dependency of a module, if a module
  - /// registers `before_stmt` callback.
  - pub fn enable_before_stmt_instrumentation(&mut self) {
  - self.before_stmt.instrument = true;
  - }
  -
  /// Enable instrumentation in module which is loaded by a module to be profiled.
  ///
  /// This function need to be called when evaluating a dependency of a module, if a module
  