Separate ParachainId injection to its own pallet (#183)

* Separate paraid injection to own pallet

* Move token dealer to a crate

* Move to rococo-parachains

* Remove parameter_types hack

* Fix chainspec

* fix build

* remove commented code

* Update contracts runtime to match other runtime

* Apply suggestions from code review

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

* Alphebetize workspace members

* Parachain info to own crate

* prune system = frame_system

Co-authored-by: Ricardo Rius <ricardo@parity.io>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

cumulus/rococo-parachains/contracts-runtime/Cargo.toml

@@ -8,6 +8,9 @@ edition = '2018'
 serde = { version = "1.0.101", optional = true, features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "1.3.0", default-features = false, features = ["derive"] }
 
+cumulus-token-dealer = { path = "../pallets/token-dealer", default-features = false}
+parachain-info = { path = "../pallets/parachain-info", default-features = false}
+
 # Substrate dependencies
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-branch" }
 sp-api = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "rococo-branch" }
@@ -75,12 +78,14 @@ std = [
 	"pallet-timestamp/std",
 	"pallet-sudo/std",
 	"pallet-transaction-payment/std",
+	"parachain-info/std",
 	"cumulus-runtime/std",
 	"cumulus-parachain-upgrade/std",
 	"cumulus-message-broker/std",
 	"cumulus-upward-message/std",
 	"cumulus-primitives/std",
 	"polkadot-parachain/std",
+	"cumulus-token-dealer/std",
 ]
 # Will be enabled by the `wasm-builder` when building the runtime for WASM.
 runtime-wasm = [