Remove bridges subtree

bridges/chains/chain-polkadot-bulletin/Cargo.toml

@@ -1,46 +0,0 @@
-[package]
-name = "bp-polkadot-bulletin"
-description = "Primitives of Polkadot Bulletin chain runtime."
-version = "0.4.0"
-authors.workspace = true
-edition.workspace = true
-license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
-repository.workspace = true
-
-[lints]
-workspace = true
-
-[dependencies]
-codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
-scale-info = { version = "2.11.1", default-features = false, features = ["derive"] }
-
-# Bridge Dependencies
-
-bp-header-chain = { path = "../../primitives/header-chain", default-features = false }
-bp-messages = { path = "../../primitives/messages", default-features = false }
-bp-polkadot-core = { path = "../../primitives/polkadot-core", default-features = false }
-bp-runtime = { path = "../../primitives/runtime", default-features = false }
-
-# Substrate Based Dependencies
-
-frame-support = { path = "../../../substrate/frame/support", default-features = false }
-frame-system = { path = "../../../substrate/frame/system", 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-header-chain/std",
-	"bp-messages/std",
-	"bp-polkadot-core/std",
-	"bp-runtime/std",
-	"codec/std",
-	"frame-support/std",
-	"frame-system/std",
-	"scale-info/std",
-	"sp-api/std",
-	"sp-runtime/std",
-	"sp-std/std",
-]