Remove some more excessively-chatty SsrcCache logs.

[JonathanLennox]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.22%. Comparing base (328fef7) to head (9a762c5).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #2106   +/-   ##
=========================================
  Coverage     44.22%   44.22%           
  Complexity     1939     1939           
=========================================
  Files           340      340           
  Lines         18909    18906    -3     
  Branches       2612     2612           
=========================================
- Hits           8362     8361    -1     
+ Misses         9678     9676    -2     
  Partials        869      869           

Files	Coverage Δ
...src/main/kotlin/org/jitsi/videobridge/SsrcCache.kt	37.54% <ø> (+0.04%)	⬆️

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