Reduced number of config files. (#2846)

Author: azaslonov

src/constants.ts

@@ -46,7 +46,7 @@ export const AadLoginRequest = { "scopes": ["openid", "profile", "https://manage
 export enum ConfigEndpoints {
     backend = "/config.json",
     service = "/config-apim.json",
-    editor = "/editor-config.json"
+    editor = "/config.json"
 }
 
 export enum AadClientLibrary {

webpack.develop.js

@@ -8,14 +8,8 @@ const { getArmToken } = require("./auth/arm-auth");
 
 module.exports = async (env) => {
     const armToken = await getArmToken({});
-    const patterns = designerConfig.plugins[1].patterns;
     const rules = designerConfig.module.rules;
 
-    patterns.push({
-        from: `./src/config.design.json`,
-        to: `./editor-config.json`,
-    });
-
     for (let i = 0; i < rules.length; i++) {
         if (rules[i].test.source === "\\.tsx?$") {
             rules[i].use = [