make better performance by Remove not needed sort
I think we don't need sort.Ints in FindIntersectsWithEventQueueWithoutIntersect function.
It makes decrease 30%-50%  time to render tiles for me.
@@ -185,7 +185,6 @@ func FindIntersectsWithEventQueue(polygonCheck bool, eq []event, segments []Line
for s := range isegmap {
sslice = append(sslice, s)
}
- sort.Ints(sslice)
for _, s := range sslice {
