Timeline: remove LifecycleOwner on EpoxyModel as it's not used (and takes some time uselessly)

vector/src/main/java/im/vector/app/core/epoxy/VectorEpoxyModel.kt

@@ -30,24 +30,19 @@ import kotlinx.coroutines.cancelChildren
 /**
  * EpoxyModelWithHolder which can listen to visibility state change
  */
-abstract class VectorEpoxyModel<H : VectorEpoxyHolder> : EpoxyModelWithHolder<H>(), LifecycleOwner {
+abstract class VectorEpoxyModel<H : VectorEpoxyHolder> : EpoxyModelWithHolder<H>(){
 
     protected val coroutineScope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
-    private val lifecycleRegistry: LifecycleRegistry = LifecycleRegistry(this)
-
-    override fun getLifecycle() = lifecycleRegistry
 
     private var onModelVisibilityStateChangedListener: OnVisibilityStateChangedListener? = null
 
     @CallSuper
     override fun bind(holder: H) {
         super.bind(holder)
-        lifecycleRegistry.currentState = Lifecycle.State.STARTED
     }
 
     @CallSuper
     override fun unbind(holder: H) {
-        lifecycleRegistry.currentState = Lifecycle.State.DESTROYED
         coroutineScope.coroutineContext.cancelChildren()
         super.unbind(holder)
     }