BETA: DB Factory: Unused code & ProviderType.

Patch by: FBIagent
Reviewed by: jurchiks, Zoey76

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6147 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad