SslServerTlsHandler#decode early return（Other）

[manzhizhen]

…ode should remove and return instead of printing the error log.

What is the purpose of the change

Same as #13468

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.
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[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
33.3% Coverage on New Code
100.0% Duplication on New Code

See analysis details on SonarCloud

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (43e513d) 69.59% compared to head (6e37023) 70.39%.
Report is 60 commits behind head on 3.2.

Additional details and impacted files

@@             Coverage Diff              @@
##                3.2   #13507      +/-   ##
============================================
+ Coverage     69.59%   70.39%   +0.79%     
============================================
  Files          1653     1602      -51     
  Lines         71623    69872    -1751     
  Branches      10269    10090     -179     
============================================
- Hits          49847    49186     -661     
+ Misses        17083    16062    -1021     
+ Partials       4693     4624      -69     

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