[AINode] Optimize the statuscode for remove AINode

[CRZbulabula]

Use 1500 instead of 305.

[sonarqubecloud]

Quality Gate failed

Failed conditions
5.5% Duplication on New Code (required ≤ 5%)

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 39.49%. Comparing base (6228880) to head (b8b8208).
⚠️ Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
...ion/config/executor/ClusterConfigTaskExecutor.java	0.00%	7 Missing ⚠️
...che/iotdb/confignode/manager/node/NodeManager.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #17176      +/-   ##
============================================
- Coverage     39.51%   39.49%   -0.02%     
  Complexity      282      282              
============================================
  Files          5097     5101       +4     
  Lines        341027   341768     +741     
  Branches      43431    43555     +124     
============================================
+ Hits         134763   134995     +232     
- Misses       206264   206773     +509     

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