Remove bridges subtree

bridges/chains/chain-bridge-hub-rococo/Cargo.toml

@@ -1,37 +0,0 @@
-[package]
-name = "bp-bridge-hub-rococo"
-description = "Primitives of BridgeHubRococo parachain runtime."
-version = "0.7.0"
-authors.workspace = true
-edition.workspace = true
-license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
-repository.workspace = true
-
-[lints]
-workspace = true
-
-[dependencies]
-# Bridge Dependencies
-
-bp-bridge-hub-cumulus = { path = "../chain-bridge-hub-cumulus", default-features = false }
-bp-runtime = { path = "../../primitives/runtime", default-features = false }
-bp-messages = { path = "../../primitives/messages", default-features = false }
-
-# Substrate Based Dependencies
-
-frame-support = { path = "../../../substrate/frame/support", default-features = false }
-sp-api = { path = "../../../substrate/primitives/api", default-features = false }
-sp-runtime = { path = "../../../substrate/primitives/runtime", default-features = false }
-sp-std = { path = "../../../substrate/primitives/std", default-features = false }
-
-[features]
-default = ["std"]
-std = [
-	"bp-bridge-hub-cumulus/std",
-	"bp-messages/std",
-	"bp-runtime/std",
-	"frame-support/std",
-	"sp-api/std",
-	"sp-runtime/std",
-	"sp-std/std",
-]