Try change
if getPlayerWantedLevel (player) > 0 then
image.i = dgsCreateImage (0, 20, 200, 20, "assets/images/wantedLevel/"..getPlayerWantedLevel (player)..".png", false, GUI.i)
table.insert (image, image.i)
end
into
if (getPlayerWantedLevel (player) > 0) and (player ~= localPlayer) then
image.i = dgsCreateImage (0, 20, 200, 20, "assets/images/wantedLevel/"..getPlayerWantedLevel (player)..".png", false, GUI.i)
table.insert (image, image.i)
end