Drop 0.11.0 support (#4377)

There is a lot hack code for v0.11.0, which makes the code hard to
upgrade to newer vLLM version. Since v0.11.0 will release soon. Let's
drop v0.11.0 support first. Then we'll upgrade to v0.11.2 soon.


- vLLM version: v0.11.0
- vLLM main:
2918c1b49c

Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>

vllm_ascend/distributed/mooncake_layerwise_connector.py

@@ -28,6 +28,7 @@ from vllm.distributed.kv_transfer.kv_connector.v1.base import (
 from vllm.distributed.parallel_state import (get_tensor_model_parallel_rank,
                                              get_tp_group, get_world_group)
 from vllm.utils import logger
+from vllm.utils.network_utils import get_ip, make_zmq_path, make_zmq_socket
 from vllm.v1.core.sched.output import SchedulerOutput
 
 import vllm_ascend.envs as envs_ascend
@@ -35,12 +36,6 @@ from vllm_ascend.ascend_config import get_ascend_config
 from vllm_ascend.distributed.utils import (align_memory,
                                            get_transfer_timeout_value,
                                            kv_alltoall_and_rearrange)
-from vllm_ascend.utils import vllm_version_is
-
-if vllm_version_is("0.11.0"):
-    from vllm.utils import get_ip, make_zmq_path, make_zmq_socket
-else:
-    from vllm.utils.network_utils import get_ip, make_zmq_path, make_zmq_socket
 
 if TYPE_CHECKING:
     from vllm.attention.backends.abstract import AttentionMetadata