Remove duplicate comments (#6638)

substrate/frame/scored-pool/src/mock.rs

@@ -22,8 +22,6 @@ use super::*;
 use std::cell::RefCell;
 use frame_support::{impl_outer_origin, parameter_types, weights::Weight, ord_parameter_types};
 use sp_core::H256;
-// The testing primitives are very useful for avoiding having to work with signatures
-// or public keys. `u64` is used as the `AccountId` and no `Signature`s are required.
 use sp_runtime::{
 	Perbill, traits::{BlakeTwo256, IdentityLookup}, testing::Header,
 };
@@ -33,9 +31,6 @@ impl_outer_origin! {
 	pub enum Origin for Test  where system = frame_system {}
 }
 
-// For testing the pallet, we construct most of a mock runtime. This means
-// first constructing a configuration type (`Test`) which `impl`s each of the
-// configuration traits of pallets we want to use.
 #[derive(Clone, Eq, PartialEq)]
 pub struct Test;
 parameter_types! {
@@ -133,11 +128,8 @@ impl Trait for Test {
 type System = frame_system::Module<Test>;
 type Balances = pallet_balances::Module<Test>;
 
-// This function basically just builds a genesis storage key/value store according to
-// our desired mockup.
 pub fn new_test_ext() -> sp_io::TestExternalities {
 	let mut t = frame_system::GenesisConfig::default().build_storage::<Test>().unwrap();
-	// We use default for brevity, but you can configure as desired if needed.
 	pallet_balances::GenesisConfig::<Test> {
 		balances: vec![
 			(5, 500_000),