Remove a comment that is wrong in retrospect

03/src/main.zig

@@ -85,10 +85,6 @@ const World = struct {
         self.ticks += 1;
 
         const point = Point{ .X = self.x, .Y = self.y, .Steps = self.ticks };
-
-        // TODO: use the lower number of ticks for multiple crossings
-        // I'm lucky, I don't need this.
-
         std.debug.warn("\t{}\n", point);
         self.entries.appendAssumeCapacity(point);
     }