[SYCL][Graph] Fixes bug introduced by cherry pick merge

Author: mfrancepillois

sycl/plugins/unified_runtime/ur/adapters/cuda/command_buffer.cpp

@@ -106,30 +106,6 @@ static void setCopyParams(const void *SrcPtr, const CUmemorytype_enum SrcType,
   Params.Depth = 1;
 }
 
-ur_exp_command_buffer_handle_t_::ur_exp_command_buffer_handle_t_(
-    ur_context_handle_t hContext, ur_device_handle_t hDevice)
-    : Context(hContext),
-      Device(hDevice), cudaGraph{nullptr}, cudaGraphExec{nullptr}, RefCount{1} {
-  urContextRetain(hContext);
-  urDeviceRetain(hDevice);
-}
-
-// The ur_exp_command_buffer_handle_t_ destructor release all the memory objects
-// allocated for command_buffer managment
-ur_exp_command_buffer_handle_t_::~ur_exp_command_buffer_handle_t_() {
-  // Release the memory allocated to the Context stored in the command_buffer
-  urContextRelease(Context);
-
-  // Release the device
-  urDeviceRelease(Device);
-
-  // Release the memory allocated to the CudaGraph
-  cuGraphDestroy(cudaGraph);
-
-  // Release the memory allocated to the CudaGraphExec
-  cuGraphExecDestroy(cudaGraphExec);
-}
-
 UR_APIEXPORT ur_result_t UR_APICALL urCommandBufferCreateExp(
     ur_context_handle_t hContext, ur_device_handle_t hDevice,
     const ur_exp_command_buffer_desc_t *hCommandBufferDesc,