Revert "added tick duration read/write to nbt"

This reverts commit fab170a9c9.

src/main/java/noppes/npcs/controllers/data/Animation.java

@@ -182,7 +182,6 @@ public class Animation implements IAnimation {
 		speed = compound.getFloat("Speed");
 		smooth = compound.getByte("Smooth");
 		loop = compound.getInteger("Loop");
-        tickDuration = compound.getInteger("TickDuration");
 
 		ArrayList<Frame> frames = new ArrayList<Frame>();
 		NBTTagList list = compound.getTagList("Frames", 10);
@@ -207,7 +206,6 @@ public class Animation implements IAnimation {
 		compound.setFloat("Speed", speed);
 		compound.setByte("Smooth", smooth);
 		compound.setInteger("Loop",loop);
-        compound.setInteger("TickDuration", tickDuration);
 
 		NBTTagList list = new NBTTagList();
 		for(Frame frame : frames){

src/main/java/noppes/npcs/controllers/data/Frame.java

@@ -135,10 +135,7 @@ public class Frame implements IFrame {
 			customized = true;
 			smooth = compound.getByte("Smooth");
 		}
-
-        if (compound.hasKey("TickDuration")) {
-            this.tickDuration = compound.getInteger("TickDuration");
-        } else if(compound.hasKey("RenderTicks")){
+		if(compound.hasKey("RenderTicks")){
 			customized = true;
             this.tickDuration = 20;
 		}