chore(dx): hide no proxy warning

reason: other modules like axios may enable integration while user doesn't needs it

Author: pi0

lib/module.js

@@ -13,8 +13,6 @@ function proxyModule (options) {
   }
 
   if (!this.options.proxy) {
-    // No proxy defined
-    logger.warn('No proxy defined on top level.')
     return
   }