Metadata v14 (companion to #3336) (#564)

* Remove event pallet::metadata attributes

* Add scale-info deps, TypeInfo derives, update call variants

* Update metadata runtime APIs

* Add missing scale_info dependency, update rococo runtime API

* Add missing scale_info dependency

* Remove pushed diener patches

* Cargo.lock

* Add missing scale-info dependencies

* Fixes

* Statemint runtime fixes

* Call struct variant empty matches

* Add missing scale-info dependency

* Fixes

* scale-info 1.0

* cargo update -p xcm

* update lock

* Update Cargo.lock

* update to latest polkadot

* remove rpc_http_threads

https://github.com/paritytech/substrate/pull/9737

* replace task executor with tokio handler

https://github.com/paritytech/substrate/pull/9737

* fix test compilation?

* Update Cargo.lock

* cargo update

* remove unused

* Update substrate and polkadot

* Update test/client/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

cumulus/polkadot-parachains/parachains-common/Cargo.toml

@@ -11,6 +11,7 @@ targets = ['x86_64-unknown-linux-gnu']
 [dependencies]
 # External dependencies
 codec = { package = 'parity-scale-codec', version = '2.0.0', features = ['derive'], default-features = false }
+scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 
 # Substrate dependencies
 sp-consensus-aura = { git = 'https://github.com/paritytech/substrate', branch = "master", default-features = false }
@@ -42,6 +43,7 @@ substrate-wasm-builder = { git = 'https://github.com/paritytech/substrate', bran
 default = ["std"]
 std = [
 	'codec/std',
+	'scale-info/std',
 	'sp-consensus-aura/std',
 	'sp-std/std',
 	'sp-io/std',