Core/NetworkIO: Adjust more packet throttling values

Adjust some more packet throttling values.
Revert b35f831f2b386685bb3eaaad340208e293ba16a7 since it's no longer needed.
Modify the AntiDoS log to specify in a more readable way which opcode triggered the system and how many packets have been received.
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore