chore: use terser for cjs build

package.json

@@ -6,10 +6,9 @@
   "license": "Apache-2.0",
   "scripts": {
     "start": "lerna run build:i18n && start-storybook -p 6006 -c .storybook",
-    "build": "npm-run-all -s build:clean build:esm build:cjs",
+    "build": "npm-run-all -s build:clean build:bundle",
     "build:clean": "yarn clean",
-    "build:esm": "lerna run build --stream",
-    "build:cjs": "node ./scripts/rollup/build.js",
+    "build:bundle": "lerna run build --stream",
     "build:storybook": "lerna run build:i18n && build-storybook -c .storybook -o .out",
     "pretest": "rimraf coverage && lerna run build:i18n",
     "test": "jest --config=config/jest.config.js --coverage",
@@ -62,7 +61,6 @@
     "@typescript-eslint/eslint-plugin": "^3.7.0",
     "@typescript-eslint/parser": "^3.7.0",
     "@ui5/webcomponents-tools": "^1.0.0-rc.8",
-    "babel-code-frame": "^6.26.0",
     "babel-jest": "^26.2.2",
     "babel-loader": "^8.1.0",
     "chalk": "^4.0.0",
@@ -78,7 +76,6 @@
     "eslint-plugin-react": "^7.20.3",
     "eslint-plugin-react-hooks": "^4.0.8",
     "glob": "^7.1.6",
-    "google-closure-compiler": "^20200406.0.0",
     "husky": "^4.2.5",
     "identity-obj-proxy": "^3.0.0",
     "jest": "^26.2.2",
@@ -96,7 +93,7 @@
     "react-app-polyfill": "^1.0.6",
     "rimraf": "^3.0.1",
     "rollup": "^2.23.0",
-    "rollup-plugin-strip-banner": "^2.0.0",
+    "rollup-plugin-terser": "^6.1.0",
     "shelljs": "^0.8.3",
     "sinon": "^9.0.2",
     "targz": "^1.0.1",