[Herbalism] don't remove Lifeblood

[r0m1ntik]

On remove profession Herbalism , Lifeblood not removed.

in

void Player::SetSkill(uint32 id, uint16 step, uint16 newVal, uint16 maxVal)

Remove if have first rank, but have just (rank 6)

// remove all spells that related to this skill
for (uint32 j = 0; j < sSkillLineAbilityStore.GetNumRows(); ++j)
    if (SkillLineAbilityEntry const* pAbility = sSkillLineAbilityStore.LookupEntry(j))
        if (pAbility->SkillLine == id)
            RemoveSpell(sSpellMgr->GetFirstSpellInChain(pAbility->Spell));

[r0m1ntik]

@Helias

[Helias]

You're right.
We should make a PR for it

[IntelligentQuantum]

In fact, we have to fix the unlearn profession in the source, The learning and unlearning system in AC does not work properly.
And that this problem occurred in the new update.