This reverts commit56f5d3bd49. ### What this PR does / why we need it? The patch https://github.com/vllm-project/vllm-ascend/pull/6357 which break the functionality availability in the spec_decode scenario, let's revert and make CI happy first ### Does this PR introduce _any_ user-facing change? ### How was this patch tested? - vLLM version: v0.14.1 - vLLM main:dc917cceb8Signed-off-by: wangli <wangli858794774@gmail.com>