revert changes made to the ephemeral store

app/store/ephemeral_store.ts

@@ -1,8 +1,6 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
-import {dismissOverlay} from '@screens/navigation';
-
 class EphemeralStore {
     allNavigationComponentIds: string[] = [];
     navigationComponentIdStack: string[] = [];
@@ -11,7 +9,6 @@ class EphemeralStore {
     visibleTab = 'Home';
     creatingChannel = false;
     creatingDMorGMTeammates: string[] = [];
-    overlays: string[] = [];
 
     addNavigationComponentId = (componentId: string) => {
         this.addToNavigationComponentIdStack(componentId);
@@ -37,10 +34,6 @@ class EphemeralStore {
         this.navigationModalStack.unshift(componentId);
     };
 
-    addNavigationOverlay = (componentId: string) => {
-        this.overlays.unshift(componentId);
-    };
-
     clearNavigationComponents = () => {
         this.navigationComponentIdStack = [];
         this.navigationModalStack = [];
@@ -51,10 +44,6 @@ class EphemeralStore {
         this.navigationModalStack = [];
     };
 
-    clearNavigationOverlays = () => {
-        this.overlays = [];
-    };
-
     getAllNavigationComponents = () => this.allNavigationComponentIds;
 
     getNavigationTopComponentId = () => {
@@ -88,17 +77,6 @@ class EphemeralStore {
         }
     };
 
-    removeNavigationOverlays = () => {
-        const hasOverlays = this.overlays.length;
-
-        if (hasOverlays) {
-            this.overlays.forEach((o) => {
-                dismissOverlay(o);
-            });
-            this.clearNavigationOverlays();
-        }
-    };
-
     setVisibleTap = (tab: string) => {
         this.visibleTab = tab;
     };