[#11004] Removed legacy channel api supports

[smilu97]

resolves #11004

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 37.04%. Comparing base (d52a33d) to head (7b990cc).
Report is 2 commits behind head on master.

❗ Current head 7b990cc differs from pull request most recent head b3750d0. Consider uploading reports for the commit b3750d0 to get more accurate results

Files	Patch %	Lines
.../pinpoint/web/realtime/AgentLookupServiceImpl.java	0.00%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #11007      +/-   ##
============================================
- Coverage     37.06%   37.04%   -0.03%     
+ Complexity    12018    11987      -31     
============================================
  Files          3943     3936       -7     
  Lines         97136    97021     -115     
  Branches      10397    10395       -2     
============================================
- Hits          36008    35938      -70     
+ Misses        58170    58125      -45     
  Partials       2958     2958              

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