Rename traits to remove T suffix (#1535)

* Rename traits to renmove T suffix

* Fix doc links

* Fix straggler doc links

core/src/tx/mod.rs

@@ -64,7 +64,7 @@ use crate::utils::Encoded;
 use alloc::borrow::{Cow, ToOwned};
 use alloc::vec::Vec;
 use codec::{Compact, Encode};
-use payload::PayloadT;
+use payload::Payload;
 use signer::Signer as SignerT;
 use sp_crypto_hashing::blake2_256;
 
@@ -75,7 +75,7 @@ pub use crate::client::{ClientState, RuntimeVersion};
 /// if the call is valid (or if it's not possible to check since the call has no validation hash).
 /// Return an error if the call was not valid or something went wrong trying to validate it (ie
 /// the pallet or call in question do not exist at all).
-pub fn validate<Call: PayloadT>(call: &Call, metadata: &Metadata) -> Result<(), Error> {
+pub fn validate<Call: Payload>(call: &Call, metadata: &Metadata) -> Result<(), Error> {
     if let Some(details) = call.validation_details() {
         let expected_hash = metadata
             .pallet_by_name_err(details.pallet_name)?
@@ -90,14 +90,14 @@ pub fn validate<Call: PayloadT>(call: &Call, metadata: &Metadata) -> Result<(),
 }
 
 /// Return the SCALE encoded bytes representing the call data of the transaction.
-pub fn call_data<Call: PayloadT>(call: &Call, metadata: &Metadata) -> Result<Vec<u8>, Error> {
+pub fn call_data<Call: Payload>(call: &Call, metadata: &Metadata) -> Result<Vec<u8>, Error> {
     let mut bytes = Vec::new();
     call.encode_call_data_to(metadata, &mut bytes)?;
     Ok(bytes)
 }
 
 /// Creates an unsigned extrinsic without submitting it.
-pub fn create_unsigned<T: Config, Call: PayloadT>(
+pub fn create_unsigned<T: Config, Call: Payload>(
     call: &Call,
     metadata: &Metadata,
 ) -> Result<Transaction<T>, Error> {
@@ -130,7 +130,7 @@ pub fn create_unsigned<T: Config, Call: PayloadT>(
 ///
 /// Note: if not provided, the default account nonce will be set to 0 and the default mortality will be _immortal_.
 /// This is because this method runs offline, and so is unable to fetch the data needed for more appropriate values.
-pub fn create_partial_signed<T: Config, Call: PayloadT>(
+pub fn create_partial_signed<T: Config, Call: Payload>(
     call: &Call,
     client_state: &ClientState<T>,
     params: <T::ExtrinsicParams as ExtrinsicParams<T>>::Params,
@@ -165,7 +165,7 @@ pub fn create_signed<T, Call, Signer>(
 ) -> Result<Transaction<T>, Error>
 where
     T: Config,
-    Call: PayloadT,
+    Call: Payload,
     Signer: SignerT<T>,
 {
     // 1. Validate this call against the current node metadata if the call comes