Remove debug print from CompatConfig.

It was too verbose, but more crucially, useless, because it was
using the default toString() output. (class name + a hex ID)

Bug: 419605119
Test: atest RavenwoodCoreTest # make sure the log isn't shown
Flag: EXEMPT removing log only
Change-Id: I22b42bb4bcedfb946d9ef1388b9bb75840710587