Remove fullscreenProgress that is not being used

This flow was previously collected by TTVM and later removed by ag/30431716.

Bug: 390581380
Doc: go/launcher-overview-unified-taskviewmodel
Flag: com.android.launcher3.enable_refactor_task_thumbnail
Test: OverviewImageTest
Change-Id: Ie0add87740b00da7d1c5e61c048dace543c47a66
diff --git a/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewData.kt b/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewData.kt
index 6ccf372..4cd7ef1 100644
--- a/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewData.kt
+++ b/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewData.kt
@@ -20,8 +20,6 @@
 
 // This is far from complete but serves the purpose of enabling refactoring in other areas
 class RecentsViewData {
-    val fullscreenProgress = MutableStateFlow(1f)
-
     // Whether the current RecentsView state supports task overlays.
     // TODO(b/331753115): Derive from RecentsView state flow once migrated to MVVM.
     val overlayEnabled = MutableStateFlow(false)
diff --git a/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewModel.kt b/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewModel.kt
index cfebb81..25487b4 100644
--- a/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewModel.kt
+++ b/quickstep/src/com/android/quickstep/recents/viewmodel/RecentsViewModel.kt
@@ -34,10 +34,6 @@
         recentsTasksRepository.setVisibleTasks(visibleTaskIdList.toSet())
     }
 
-    fun updateFullscreenProgress(fullscreenProgress: Float) {
-        recentsViewData.fullscreenProgress.value = fullscreenProgress
-    }
-
     fun updateTasksFullyVisible(taskIds: Set<Int>) {
         recentsViewData.settledFullyVisibleTaskIds.value = taskIds
     }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index a8f9dd4..5ebb603 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -2189,9 +2189,6 @@
 
     public void setFullscreenProgress(float fullscreenProgress) {
         mFullscreenProgress = fullscreenProgress;
-        if (enableRefactorTaskThumbnail()) {
-            mRecentsViewModel.updateFullscreenProgress(mFullscreenProgress);
-        }
         for (TaskView taskView : getTaskViews()) {
             taskView.setFullscreenProgress(mFullscreenProgress);
         }