Removed dependance on rococo_parachain_runtime for unrelated stuff (#1500)

* Clean misleading imports `rococo_parachain_runtime::{AccountId, AuraId}`

* Remove dependance on `rococo_parachain_runtime` for unrelated stuff

* fmt + rebase fix

* Addressing review comments

* Addressing review comments

* Fix for `purge_chain_works` works now with `rococo-local` and purge command needs to allow `rococo-native`

parachain-template/node/src/chain_spec.rs

@@ -14,7 +14,7 @@ pub type ChainSpec =
 const SAFE_XCM_VERSION: u32 = xcm::prelude::XCM_VERSION;
 
 /// Helper function to generate a crypto pair from seed
-pub fn get_public_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
+pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
 	TPublic::Pair::from_string(&format!("//{}", seed), None)
 		.expect("static values are valid; qed")
 		.public()
@@ -43,7 +43,7 @@ type AccountPublic = <Signature as Verify>::Signer;
 ///
 /// This function's return type must always match the session keys of the chain in tuple format.
 pub fn get_collator_keys_from_seed(seed: &str) -> AuraId {
-	get_public_from_seed::<AuraId>(seed)
+	get_from_seed::<AuraId>(seed)
 }
 
 /// Helper function to generate an account ID from seed
@@ -51,7 +51,7 @@ pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
 where
 	AccountPublic: From<<TPublic::Pair as Pair>::Public>,
 {
-	AccountPublic::from(get_public_from_seed::<TPublic>(seed)).into_account()
+	AccountPublic::from(get_from_seed::<TPublic>(seed)).into_account()
 }
 
 /// Generate the session keys from individual elements.