Rewrite Inherent data (#1488)

* Implement new inherent data

* Fixes compilation on wasm

* Fixes after rebase

* Switch back to generate inherent stuff by macro

* Update after rebase

* Apply suggestions from code review

Co-Authored-By: bkchr <bkchr@users.noreply.github.com>

* Fix compilation after rebase

* Address grumbles

* Remove `InherentDataProviders` from `Client`

* Update wasm files after rebase

* Address grumbles

* Fixes compilation after latest merge

* Last fix

substrate/srml/staking/src/mock.rs

@@ -32,7 +32,6 @@ impl_outer_origin!{
 #[derive(Clone, PartialEq, Eq, Debug)]
 pub struct Test;
 impl consensus::Trait for Test {
-	const NOTE_OFFLINE_POSITION: u32 = 1;
 	type Log = DigestItem;
 	type SessionKey = UintAuthorityId;
 	type InherentOfflineReport = ();
@@ -63,7 +62,6 @@ impl session::Trait for Test {
 	type Event = ();
 }
 impl timestamp::Trait for Test {
-	const TIMESTAMP_SET_POSITION: u32 = 0;
 	type Moment = u64;
 	type OnTimestampSet = ();
 }