Remove outdated test from p5.AudioVoice.js

Author: oshoham

test/tests/p5.AudioVoice.js

@@ -9,13 +9,6 @@ define(['chai'], function(chai) {
       var av = new p5.AudioVoice();
       av.dispose();
     });
-
-    it('can convert strings to frequency values', function() {
-      var av = new p5.AudioVoice();
-      var freq = av._setNote('A4');
-      expect(freq).to.equal(440);
-      av.dispose();
-    });
   });
 
 });