Revert because no longer needed: "[ASYNC_COPY] Remove MemoryEffect of BufferLoadToLocal to avoid implicit barrier from Membar"

This reverts commit 012793a.

Author: AlexAUT

third_party/amd/include/Dialect/TritonAMDGPU/IR/TritonAMDGPUOps.td

@@ -248,7 +248,7 @@ def BufferLoadToLocalOp : TT_AMDGPU_Op<"buffer_load_to_local", [
     let description = [{
       AMD Buffer load operation. Similar to amdgpu.buffer_load op but directly wirtes to shared memory instead of into registers. }];
     let arguments = (ins
-      Arg<TTG_MemDescType, "Shared memory slice to write to">:$dest,
+      Arg<TTG_MemDescType, "Shared memory slice to write to", [MemWrite<SharedMemory>]>:$dest,
       Arg<TT_Ptr, "Global memory scalar base pointer to load from", [MemRead<GlobalMemory>]>:$ptr,
       I32Tensor:$offsets,
       Optional<TT_BoolTensor>:$mask,