Migrate ModalContext and WorkspaceContext

app/src/types/workspace.ts

@@ -1,13 +1,5 @@
 import { Theme } from './theme';
 
-export interface DeleteWorkspaceResponse {
-  nextWorkspaceName: string;
-}
-
-export interface LastWorkspaceNameResponse {
-  lastWorkspaceName: string;
-}
-
 export interface WorkspaceSettings {
   theme: Theme;
   autoSave: boolean;