Clean remake

restringe mais a posição, retira o addEvent.
 

function onSay(cid, words, param, channel)
local fromPos, toPos, toFloor = 800, 1200, 10
for x = fromPos, toPos do
for y = fromPos, toPos do
for z = 4, toFloor do
local coord = {x = x, y = y, z = z, stackpos = 0}
if getTileThingByPos(coord).itemid ~= 0 and not getTileInfo(coord).house then
                    doCleanTile(coord, false)
end
end
end
end

doPlayerSendTextMessage(cid, MESSAGE_STATUS_CONSOLE_BLUE, 'Game map cleaned.')
return true
end