[MLIR] Delete extra declaration of createAffineDataCopyGenerationPass.

This was caused by a bad rebase for
27c201aa1d

mlir/include/mlir/Transforms/Passes.h

@@ -61,14 +61,6 @@ std::unique_ptr<OpPassBase<FuncOp>> createLoopCoalescingPass();
 /// variables into another ParallelLoop over less than N induction variables.
 std::unique_ptr<Pass> createParallelLoopCollapsingPass();
 
-/// Performs packing (or explicit copying) of accessed memref regions into
-/// buffers in the specified faster memory space through either pointwise copies
-/// or DMA operations.
-std::unique_ptr<OpPassBase<FuncOp>> createAffineDataCopyGenerationPass(
-    unsigned slowMemorySpace, unsigned fastMemorySpace,
-    unsigned tagMemorySpace = 0, int minDmaTransferSize = 1024,
-    uint64_t fastMemCapacityBytes = std::numeric_limits<uint64_t>::max());
-
 /// Creates a pass to perform optimizations relying on memref dataflow such as
 /// store to load forwarding, elimination of dead stores, and dead allocs.
 std::unique_ptr<OpPassBase<FuncOp>> createMemRefDataFlowOptPass();