remove recursion limit (#3348)

According to the
[doc](https://doc.rust-lang.org/reference/attributes/limits.html), the
default is 128, so no point to specify limit with 128

Co-authored-by: Bastian Köcher <git@kchr.de>

substrate/frame/ranked-collective/src/lib.rs

@@ -39,7 +39,6 @@
 //! least a particular rank.
 
 #![cfg_attr(not(feature = "std"), no_std)]
-#![recursion_limit = "128"]
 
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;