doc: removed unnecessary comment

examples/stack.zig

@@ -146,7 +146,6 @@ pub fn main() !void {
                 log.err("Received {any} with message: {s}", .{ err.err, err.msg });
             },
         }
-        // NOTE: this currently re-renders the screen for every key-press -> which might be a bit of an overkill
         const events = try layout.handle(event);
         for (events.items) |e| {
             app.postEvent(e);