Fix final train loss.

[ZHUI]

PR types

Others

PR changes

Others

Description

此PR删除了日志，导致恢复之后，最后算的平均loss值等发生了问题。
#8546

[paddle-bot]

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[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 55.77%. Comparing base (d8ddba9) to head (27376fc).
Report is 578 commits behind head on develop.

Files with missing lines	Patch %	Lines
paddlenlp/trainer/trainer.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #8718      +/-   ##
===========================================
+ Coverage    55.73%   55.77%   +0.04%     
===========================================
  Files          623      626       +3     
  Lines        97464   101574    +4110     
===========================================
+ Hits         54324    56657    +2333     
- Misses       43140    44917    +1777     

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[github-actions]

This Pull Request is stale because it has been open for 60 days with no activity. 当前Pull Request 60天内无活动，被标记为stale。

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