remove unused

src/vs/workbench/common/storage.ts

@@ -33,7 +33,6 @@ export class Storage implements IStorageService {
 	private workspaceStorage: IStorage;
 	private globalStorage: IStorage;
 
-	private toUnbind: { (): void; }[];
 	private workspaceKey: string;
 
 	constructor(contextService: IWorkspaceContextService, globalStorage: IStorage, workspaceStorage = globalStorage) {
@@ -42,8 +41,6 @@ export class Storage implements IStorageService {
 		this.globalStorage = globalStorage;
 		this.workspaceStorage = workspaceStorage;
 
-		this.toUnbind = [];
-
 		// Calculate workspace storage key
 		this.workspaceKey = this.getWorkspaceKey(workspace);
 
@@ -189,12 +186,6 @@ export class Storage implements IStorageService {
 		return value ? true : false;
 	}
 
-	public dispose(): void {
-		while (this.toUnbind.length) {
-			this.toUnbind.pop()();
-		}
-	}
-
 	private toStorageKey(key: string, scope: StorageScope): string {
 		if (scope === StorageScope.GLOBAL) {
 			return Storage.GLOBAL_PREFIX + key.toLowerCase();