### 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>