Upgrade to 0.11.1 newest vllm commit (#3982)

### What this PR does / why we need it?
adapt vllm-ascend main branch with vllm releases/v0.11.1

fix `forward context not set` in test_vlm.py caused by:
https://github.com/vllm-project/vllm/pull/23207

fix import `cdiv round` failed caused by:
https://github.com/vllm-project/vllm/pull/27188

fix import `init_cached_hf_modules` failed caused by:
https://github.com/vllm-project/vllm/pull/27567

adapt triton kernel `fused_recurrent_gated_delta_rule_fwd_kernel` caused
by: https://github.com/vllm-project/vllm/pull/27654
- remove unused code in sigmoid_gating.py
- `class FusedRecurrentFunction` , `fused_recurrent_gated_delta_rule`,
`fused_recurrent_gated_delta_rule_fwd`

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
CI 


- vLLM version: v0.11.0
- vLLM main:
83f478bb19

Signed-off-by: 22dimensions <waitingwind@foxmail.com>

vllm_ascend/attention/attention_v1.py

@@ -31,7 +31,14 @@ from vllm.distributed import (get_dcp_group,
                               get_decode_context_model_parallel_rank,
                               get_decode_context_model_parallel_world_size)
 from vllm.forward_context import ForwardContext, get_forward_context
-from vllm.utils import cdiv
+
+from vllm_ascend.utils import vllm_version_is
+
+if vllm_version_is("0.11.0"):
+    from vllm.utils import cdiv
+else:
+    from vllm.utils.math_utils import cdiv
+
 from vllm.v1.attention.backends.utils import AttentionCGSupport
 from vllm.v1.core.sched.output import SchedulerOutput
 from vllm.v1.kv_cache_interface import AttentionSpec