Move Fellowship to Collectives (#6718)

* FellowshipAdmin origin over xcm

* accept Fellows origin from Collectives

* remove Fellowship

* remove unreachable arm

runtime/polkadot/Cargo.toml

@@ -62,7 +62,6 @@ pallet-nomination-pools-runtime-api = { git = "https:/paritytech/sub
 pallet-offences = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
 pallet-preimage = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
 pallet-proxy = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
-pallet-ranked-collective = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
 pallet-referenda = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
 pallet-scheduler = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
 pallet-session = { git = "https:/paritytech/substrate", branch = "master", default-features = false }
@@ -159,7 +158,6 @@ std = [
  "pallet-offences/std",
  "pallet-preimage/std",
  "pallet-proxy/std",
- "pallet-ranked-collective/std",
  "pallet-referenda/std",
  "pallet-scheduler/std",
  "pallet-session/std",
@@ -218,7 +216,6 @@ runtime-benchmarks = [
  "pallet-nomination-pools-benchmarking/runtime-benchmarks",
  "pallet-preimage/runtime-benchmarks",
  "pallet-proxy/runtime-benchmarks",
- "pallet-ranked-collective/runtime-benchmarks",
  "pallet-referenda/runtime-benchmarks",
  "pallet-scheduler/runtime-benchmarks",
  "pallet-staking/runtime-benchmarks",
@@ -267,7 +264,6 @@ try-runtime = [
  "pallet-offences/try-runtime",
  "pallet-preimage/try-runtime",
  "pallet-proxy/try-runtime",
- "pallet-ranked-collective/try-runtime",
  "pallet-referenda/try-runtime",
  "pallet-scheduler/try-runtime",
  "pallet-session/try-runtime",

runtime/polkadot/constants/src/lib.rs

@@ -99,6 +99,18 @@ pub mod fee {
  }
 }
 
+/// XCM protocol related constants.
+pub mod xcm {
+ /// Pluralistic bodies existing within the consensus.
+ pub mod body {
+ // Preallocated for the Root body.
+ #[allow(dead_code)]
+ const ROOT_INDEX: u32 = 0;
+ // The bodies corresponding to the Polkadot OpenGov Origins.
+ pub const FELLOWSHIP_ADMIN_INDEX: u32 = 1;
+ }
+}
+
 #[cfg(test)]
 mod tests {
  use super::{