fix on function and modifier parameters

Author: dbale-altoros

lib/rules/best-practices/no-unused-vars.js

@@ -9,7 +9,7 @@ const ruleId = 'no-unused-vars'
 
 /** ==== Config defaults ==== */
 const DEFAULT_PARAMETERS_VALIDATION = true
-const DEFAULT_SEVERITY = 'error'
+const DEFAULT_SEVERITY = 'warn'
 const DEFAULT_OPTION = { validateParameters: DEFAULT_PARAMETERS_VALIDATION }
 const ERR_DESCRIPTION =
   'Reports unused variables. When true, reports function and modifiers parameters. When false, parameters are ignored (useful for abstract/virtual NatSpec).'