* Removing spelldifficulty_dbc to make portable to master * Updated to new Spell/Aurascript model (cherry picked from commit 203c5f705806f6f39a8392c3164ff04fc5415d58)
* Removing spelldifficulty_dbc to make portable to master * Updated to new Spell/Aurascript model (cherry picked from commit 203c5f705806f6f39a8392c3164ff04fc5415d58)