[Bugfix]delele profile_run in model_runner (#5122)

### What this PR does / why we need it?
delete sekf.in_profile_run in model_runner to make EPLB works as expect
### Does this PR introduce _any_ user-facing change?
NO
### How was this patch tested?

- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

---------

Signed-off-by: zhenwenqi2024 <zhenwenqi_2022@qq.com>
Signed-off-by: Mengqing Cao <cmq0113@163.com>
Co-authored-by: Mengqing Cao <cmq0113@163.com>

vllm_ascend/spec_decode/mtp_proposer.py

@@ -761,7 +761,6 @@ class MtpProposer(Proposer):
                     num_tokens_across_dp=num_tokens_across_dp,
                     aclgraph_runtime_mode=aclgraph_runtime_mode,
                     batch_descriptor=batch_descriptor,
-                    in_profile_run=self.runner.in_profile_run,
                     num_actual_tokens=num_tokens,
                     is_mtp_model=True):
                 with ProfileExecuteDuration().capture_async('mtp_forward'):