Revert changes inside the npm run build script

Author: wppunk

package.json

@@ -73,7 +73,7 @@
 		"cs:js": "eslint assets/.src/js",
 		"cs:scss": "stylelint \"assets/.src/**/*.scss\"",
 		"cs:php": "composer cs",
-		"build": "cross-env NODE_ENV=development ENV_FILE=./.env.development npx mix --mix-config=.webpack.mix.js",
+		"build": "cross-env NODE_ENV=development npx mix --mix-config=.webpack.mix.js",
 		"build:production": "cross-env NODE_ENV=production npx mix --production --mix-config=.webpack.mix.js",
 		"start": "cross-env NODE_ENV=development npx mix --mix-config=.webpack.mix.js -- --watch",
 		"unit": "jest",