Remove TickType idea

src/Ecs/Lockstep.ts

@@ -17,18 +17,6 @@ function equals<T extends Equals | string | number>(a: T, b: T): boolean {
     return (a as Equals).equals(b as Equals);
 }
 
-// TODO: probably an incoherent idea. Instead consider having two state objects,
-// a synchronized state object that can be rolled back / predicted, and
-// a cosmetic state object that glosses the synchronized state and never rolls back
-export const enum TickType {
-    /// a "canonical" update that will not be rolled back;
-    /// this must be fully deterministic based on the state and input.
-    CANON,
-    /// a "predicted" update that may or may not be rolled back;
-    /// if possible, avoid changes that could be distracting if rolled back.
-    PREDICTED,
-}
-
 interface LockstepProcessor<Input, State> {
     compareInput(a: Input, b: Input): boolean;
     cloneState(source: State): State;