Breaking: use default for complexity in eslint:recommended (fixes #6021) (#6410)

Author: alberto

conf/eslint.json

@@ -140,7 +140,7 @@
         "comma-dangle": "error",
         "comma-spacing": "off",
         "comma-style": "off",
-        "complexity": ["off", 11],
+        "complexity": "off",
         "computed-property-spacing": "off",
         "consistent-return": "off",
         "consistent-this": "off",