Remove concept of frontend preview types

packages/builder/src/builderStore/store/frontend.js

@@ -9,7 +9,6 @@ import {
   tables,
 } from "stores/backend"
 import { API } from "api"
-import { FrontendTypes } from "constants"
 import analytics, { Events } from "analytics"
 import {
   findComponentType,

packages/builder/src/constants/index.js

@@ -2,13 +2,6 @@ export const TableNames = {
   USERS: "ta_users",
 }
 
-export const FrontendTypes = {
-  PAGE: "page",
-  SCREEN: "screen",
-  LAYOUT: "layout",
-  NONE: "none",
-}
-
 export const AppStatus = {
   ALL: "all",
   DEV: "development",