fix : delete never thrown exception

[erdengk]

What is the purpose of the change

Delete unnecessary exceptions thrown in the test.
Types such as:
Exception 'java.io.IOException' is never thrown in the method

This is the first PR, expect 3 more.

Brief changelog

Verifying this change

Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
• Each commit in the pull request should have a meaningful subject line and body.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Check if is necessary to patch to Dubbo 3 if you are work on Dubbo 2.7
• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Add some description to dubbo-website project if you are requesting to add a feature.
• GitHub Actions works fine on your own branch.
• If this contribution is large, please follow the Software Donation Guide.

[erdengk]

@AlbumenJ
Please allow this pr to start workflow testing

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #11674 (c15e0f3) into 3.2 (a70cc27) will decrease coverage by 2.20%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                3.2   #11674      +/-   ##
============================================
- Coverage     69.34%   67.15%   -2.20%     
+ Complexity      315        2     -313     
============================================
  Files          1691     1612      -79     
  Lines         88202    65217   -22985     
  Branches      16012     9440    -6572     
============================================
- Hits          61168    43795   -17373     
+ Misses        21908    17153    -4755     
+ Partials       5126     4269     -857     

Impacted Files	Coverage Δ
...g/apache/dubbo/maven/plugin/aot/IncludeFilter.java
.../org/apache/dubbo/remoting/ExecutionException.java
.../security/model/SecurityScopeModelInitializer.java
...ster/router/mesh/route/StandardMeshRuleRouter.java
...notation/ReferenceAnnotationBeanPostProcessor.java
...bbo/common/status/support/MemoryStatusChecker.java
...moting/transport/netty4/NettyConnectionClient.java
...ubbo/remoting/http/support/AbstractHttpServer.java
...er/condition/config/model/ConditionRuleParser.java
...n/java/org/apache/dubbo/qos/command/impl/Help.java
... and 3293 more

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[AlbumenJ]

LGTM