### What this PR does / why we need it?
Cancel the embeddings sharing when the embeddings of main model and the
embeddings of eagle model are different.
### Does this PR introduce _any_ user-facing change?
N/A
### How was this patch tested?
Cause i don't have `Meta-Llama-3.1-8B-Instruc`t locally, i commented it
and run:
```shell
pytest -s tests/e2e/singlecard/spec_decode/test_v1_spec_decode.py::test_llama_qwen_eagle_acceptance
```
The output is fine:
```text
.
======================================================================================================================== warnings summary =========================================================================================================================
<frozen importlib._bootstrap>:241
<frozen importlib._bootstrap>:241: DeprecationWarning: builtin type SwigPyPacked has no __module__ attribute
<frozen importlib._bootstrap>:241
<frozen importlib._bootstrap>:241: DeprecationWarning: builtin type SwigPyObject has no __module__ attribute
-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
====================================================================================================== 3 passed, 1 skipped, 2 warnings in 196.19s (0:03:16) =======================================================================================================
```
- vLLM version: v0.13.0
- vLLM main:
2c24bc6996
Signed-off-by: drslark <slarksblood@qq.com>
b2475099a0