chore(polyfills) remove es6-promise & setImmediate (#15436)

Signed-off-by: Alexander Taran <[email protected]>

Author: Alexander-Taran

dev-packages/application-manager/package.json

@@ -52,7 +52,6 @@
     "node-loader": "^2.0.0",
     "path-browserify": "^1.0.1",
     "semver": "^7.5.4",
-    "setimmediate": "^1.0.5",
     "source-map": "^0.6.1",
     "source-map-loader": "^2.0.1",
     "source-map-support": "^0.5.19",

dev-packages/application-manager/src/generator/frontend-generator.ts

@@ -72,9 +72,7 @@ export class FrontendGenerator extends AbstractGenerator {
     protected compileIndexJs(frontendModules: Map<string, string>, frontendPreloadModules: Map<string, string>): string {
         return `\
 // @ts-check
-${this.ifBrowser("require('es6-promise/auto');")}
 require('reflect-metadata');
-require('setimmediate');
 const { Container } = require('@theia/core/shared/inversify');
 const { FrontendApplicationConfigProvider } = require('@theia/core/lib/browser/frontend-application-config-provider');
 

package-lock.json

@@ -41,7 +41,6 @@
     "cookie": "^0.4.0",
     "dompurify": "^2.2.9",
     "drivelist": "^12.0.2",
-    "es6-promise": "^4.2.4",
     "express": "^4.21.0",
     "fast-json-stable-stringify": "^2.1.0",
     "file-icons-js": "~1.0.3",