Revert "Core/RBAC: Add new Permission "Log gm trade". Config option still active, but will affect only to users with that permission granted"

This reverts commit 8810fcb575a3362703421c1d2f900faa2ab57fd6.

Conflicts:
	sql/updates/auth/2013_02_25_00_auth_misc.sql
	src/server/game/Guilds/Guild.cpp
	src/server/game/Handlers/TradeHandler.cpp