misc: Remove compatibility methods in ExchangeQueue (facebookincubato…

…r#12196)

Summary: Pull Request resolved: facebookincubator#12196

Reviewed By: xiaoxmeng

Differential Revision: D68784003

fbshipit-source-id: ef074dd4d1c3df4a8f193f3650e188c4d4171bd1

velox/exec/ExchangeQueue.h

@@ -81,10 +81,6 @@ class SerializedPage {
 /// for input.
 class ExchangeQueue {
  public:
-#ifdef VELOX_ENABLE_BACKWARD_COMPATIBILITY
-  explicit ExchangeQueue() : ExchangeQueue(1, 0) {}
-#endif
-
   explicit ExchangeQueue(
       int32_t numberOfConsumers,
       uint64_t minOutputBatchBytes)
@@ -138,14 +134,6 @@ class ExchangeQueue {
       ContinueFuture* future,
       ContinuePromise* stalePromise);
 
-#ifdef VELOX_ENABLE_BACKWARD_COMPATIBILITY
-  std::vector<std::unique_ptr<SerializedPage>>
-  dequeueLocked(uint32_t maxBytes, bool* atEnd, ContinueFuture* future) {
-    ContinuePromise stalePromise = ContinuePromise::makeEmpty();
-    return dequeueLocked(0, maxBytes, atEnd, future, &stalePromise);
-  }
-#endif
-
   /// Returns the total bytes held by SerializedPages in 'this'.
   int64_t totalBytes() const {
     return totalBytes_;