RemoveZombieHeadcrabs

-- Have a Garrysmod Zombie RP? Hate the headcrabs? Well then this is for you...
if ( SERVER ) then
    local function RemoveCrabs()
        for _, npc in pairs( ents.FindByClass( "npc_*" ) ) do
            if npc:IsNPC() then
                if string.find(string.lower(npc:GetClass()),"npc_headcrab") then
                    SafeRemoveEntity( npc )
                elseif string.find(string.lower(npc:GetClass()),"zombie") || string.lower(npc:GetClass()) == "npc_zombine" then
                    npc:Fire("setbodygroup","0")
                end
            end
        end
    end
    hook.Add( "Think", "No_Crabs", RemoveCrabs )
end