[NFC] Remove get_event_pool from XPUUtils (#2870)

Signed-off-by: Anatoly Myachev <[email protected]>

Author: anmyachev

third_party/intel/backend/driver.py

@@ -163,9 +163,6 @@ def __init__(self):
     def get_current_device(self):
         return self.current_device
 
-    def get_event_pool(self):
-        return self.event_pool
-
     def get_sycl_queue(self):
         import torch
         return torch.xpu.current_stream().sycl_queue