Remove now-consolidated primitives crates

substrate/runtime/src/core_pallet.rs

@@ -1,7 +1,6 @@
 #[frame_support::pallet]
 mod core_pallet {
   use ::alloc::*;
-  use frame_system::pallet_prelude::*;
   use frame_support::pallet_prelude::*;
 
   #[pallet::storage]

substrate/runtime/src/lib.rs

@@ -6,7 +6,7 @@ include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
 extern crate alloc;
 
-use ::alloc::{borrow::Cow, vec::Vec};
+use alloc::borrow::Cow;
 
 use sp_core::sr25519::Public;
 use sp_runtime::{Perbill, Weight, traits::Header as _};
@@ -255,7 +255,7 @@ impl serai_abi::TransactionContext for Context {
   }
 }
 
-/*
+/* TODO
 use core::marker::PhantomData;
 
 // Re-export all components