system/gd: Deprecate LOG_xx macros from os/log.h

All logs have been converted to fmt log functions.
Removes the definitions for:
  - LOG_VERBOSE
  - LOG_DEBUG
  - LOG_INFO
  - LOG_WARNING
  - LOG_ERROR

Test: m com.android.btservices
Bug: 305066880
Flag: EXEMPT, mechanical refactor
Change-Id: I324677fa1f66ab1a6cb5fdca86d8b738e21910d1