Update shader for android

shared/src/canvas/Tree.cpp

@@ -1,7 +1,6 @@
 #include <cmath>
 
 #include "canvas/Tree.hpp"
-#include "canvas/Circle.hpp"
 
 #include <raylib.h>
 #include <raymath.h>
@@ -45,8 +44,6 @@ void Tree::init(int size)
 
 void Tree::draw(Dna *dna)
 {
-  Circle::setSoftEdge(false);
-
   m_dna = dna;
   branchSeed = dna->branchSeed;
   drawCalls.push_back({start, 180.0f, 0});