Remove warn

Author: Yadro

package.json

@@ -9,7 +9,7 @@
     "build:renderer": "cross-env NODE_ENV=production webpack --config ./.erb/configs/webpack.config.renderer.prod.babel.js",
     "rebuild": "electron-rebuild --parallel --types prod,dev,optional --module-dir src",
     "lint": "cross-env NODE_ENV=development eslint . --cache --ext .js,.jsx,.ts,.tsx",
-    "package": "ECHO 'Backup profile before install' && electron-builder build --publish never",
+    "package": "electron-builder build --publish never",
     "postinstall": "node -r @babel/register .erb/scripts/CheckNativeDep.js && electron-builder install-app-deps && yarn cross-env NODE_ENV=development webpack --config ./.erb/configs/webpack.config.renderer.dev.dll.babel.js && opencollective-postinstall && yarn-deduplicate yarn.lock",
     "start": "node -r @babel/register ./.erb/scripts/CheckPortInUse.js && cross-env yarn start:renderer",
     "start:main": "cross-env NODE_ENV=development electron -r ./.erb/scripts/BabelRegister ./src/main.dev.ts",