leaudio: Remove unnecessary dumpsys logs

Printing all supported configuration from json file was there when we
thought this will be the way to extend configuration by different OEMs.
Now, when configurations are moving to the offloader, it does not make
sense to print those.

Bug: 331775328
Flag: Exempt, no functional change
Test: mmm packages/modules/Bluetooth
Change-Id: I37651276389e419f84e084adc60af9c10e694ba8