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/core-fellowship/src/lib.rs

@@ -56,7 +56,6 @@
 //! cannot be approved - they must proceed only to promotion prior to the offboard timeout elapsing.
 
 #![cfg_attr(not(feature = "std"), no_std)]
-#![recursion_limit = "128"]
 
 use codec::{Decode, Encode, MaxEncodedLen};
 use scale_info::TypeInfo;