Deprecate --disable-log-requests and replace with --enable-log-requests (#21739)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

tests/v1/test_async_llm_dp.py

@@ -25,7 +25,6 @@ DP_SIZE = int(os.getenv("DP_SIZE", 2))
 engine_args = AsyncEngineArgs(
     model="ibm-research/PowerMoE-3b",
     enforce_eager=True,
-    disable_log_requests=True,
     tensor_parallel_size=int(os.getenv("TP_SIZE", 1)),
     data_parallel_size=DP_SIZE,
 )