Revert "Update Otto.h"
Revert "Update Otto.h"

This reverts commit 7fce5705e14b92c6b38b903a7c4f978b2783aed6.

There is a lot of code in the Otto library that is dependent on the LedMatrix library so of course removing this #include directive causes it to no longer compile:

In file included from C:\Users\per\Desktop\DIY-master\Otto_avoid\Otto_avoid.ino:10:0:

E:\electronics\arduino\libraries\Otto/Otto.h:97:5: error: 'LedMatrix' does not name a type

     LedMatrix ledmatrix;

OttoDIY/DIY,OttoDIY/DIY