message: Remove unused function declaration in executor.h.
diff: @@ -33,15 +33,6 @@ namespace tensorflow {
  class StepStatsCollector;
  -// If this is called, we will sample execution cost for "inexpensive" kernels
  -// and switch them to "expensive" when the estimated cost exceeds expensive-ness
  -// threshold.
  -// This is a temporary flag for validating the performance impact of
  -// this feature. For simplicity, a global flag is used and once the flag
  -// is turned on, it cannot be turned off. We will remove this flag once this
  -// feature is validated.
  -void EnableAlwaysTrackKernelExecutionCost();
  -
  // Executor runs a graph computation.
  // Example:
  // Graph* graph = ...;
  