message: [sigslot] - Remove SignalDestroyed from PortAllocatorSession.
  Cr-Commit-Position: refs/heads/master@{#34672}
diff: @@ -283,7 +283,6 @@ class RTC_EXPORT PortAllocatorSession : public sigslot::has_slots<> {
  virtual uint32_t generation();
  virtual void set_generation(uint32_t generation);
  - sigslot::signal1<PortAllocatorSession*> SignalDestroyed;
  protected:
  // This method is called when a pooled session (which doesn't have these
  