fix some clicks

synth.c

@@ -156,7 +156,6 @@ void synth_render_sample(struct Synth *synth, float *out) {
 
 	for(int i = 0; i < SYNTH_NUM_VOICES; i++) {
 		struct Voice *v = &synth->voices[i];
-		if(v->osc_env.state == EnvNone) continue;
 
 		float vsmpl[2];
 		voice_render_sample(v, vsmpl);

voice.c

@@ -7,7 +7,6 @@ void voice_init(struct Voice *v, struct Synth *synth) {
 }
 
 void voice_render_sample(struct Voice *v, float *out) {
-	//if(v->osc_env.state == None) return;
 	float amplitude = envelope_sample(&v->osc_env); // calculate based on key velocity and envelope
 	float cutoff = envelope_sample(&v->filter_env);