Allow user to disable TLS

[aaron-ai]

Fixes #355

[codecov-commenter]

Codecov Report

Merging #356 (5e7e99c) into master (2ff904e) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #356      +/-   ##
============================================
+ Coverage     33.94%   33.96%   +0.02%     
- Complexity      643      645       +2     
============================================
  Files           220      220              
  Lines         11439    11443       +4     
  Branches        277      278       +1     
============================================
+ Hits           3883     3887       +4     
  Misses         7306     7306              
  Partials        250      250              

Flag	Coverage Δ
java	60.69% <100.00%> (+0.04%)	⬆️

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Impacted Files	Coverage Δ
...g/apache/rocketmq/client/java/impl/ClientImpl.java	44.62% <100.00%> (+0.17%)	⬆️
...e/rocketmq/client/java/impl/ClientManagerImpl.java	72.90% <100.00%> (ø)
...apache/rocketmq/client/java/rpc/RpcClientImpl.java	85.71% <100.00%> (+0.63%)	⬆️

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[drpmma]

LGTM

[lollipopjin]

LGTM