clean: remove non-javadoc element

[slievrly]

Ⅰ. Describe what this PR did

clean: remove non-javadoc element

Ⅱ. Does this pull request fix one issue?

fix #1676

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-io]

Codecov Report

Merging #2056 into develop will decrease coverage by <.01%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #2056      +/-   ##
=============================================
- Coverage      55.25%   55.24%   -0.01%     
- Complexity      2522     2523       +1     
=============================================
  Files            446      446              
  Lines          14927    14927              
  Branches        1770     1770              
=============================================
- Hits            8248     8247       -1     
- Misses          5911     5912       +1     
  Partials         768      768

Impacted Files	Coverage Δ	Complexity Δ
...c/main/java/io/seata/core/rpc/netty/RpcServer.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...seata/core/rpc/netty/ChannelAuthHealthChecker.java	0% <ø> (ø)	0 <0> (ø)	⬇️
.../io/seata/common/exception/FrameworkException.java	85.18% <ø> (ø)	13 <0> (ø)	⬇️
...scovery/registry/zk/ZookeeperRegistryProvider.java	100% <ø> (ø)	2 <0> (ø)	⬇️
...ava/io/seata/core/constants/ConfigurationKeys.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...discovery/registry/etcd3/EtcdRegistryProvider.java	100% <ø> (ø)	2 <0> (ø)	⬇️
...ava/io/seata/core/rpc/netty/RmMessageListener.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...e/protocol/transaction/BranchRollbackResponse.java	50% <ø> (ø)	1 <0> (ø)	⬇️
...ta/discovery/registry/FileRegistryServiceImpl.java	0% <ø> (ø)	0 <0> (ø)	⬇️
core/src/main/java/io/seata/core/store/LockDO.java	95.83% <ø> (ø)	15 <0> (ø)	⬇️
... and 144 more

[lovepoem]

LGTM

[l81893521]

LGTM