Removes Snowbridge parachain directory (#3186)

Removes the `bridges/snowbridge/parachain` directory and moves
everything up to under `snowbridge` directly. We are cleaning up our
local dev env after merging our crates into the polkadot-sdk.

---------

Co-authored-by: claravanstaden <Cats 4 life!>

bridges/snowbridge/pallets/inbound-queue/src/weights.rs

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+//! Autogenerated weights for `snowbridge_inbound_queue`
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 4.0.0-dev
+//! DATE: 2023-07-14, STEPS: `50`, REPEAT: `20`, LOW RANGE: `[]`, HIGH RANGE: `[]`
+//! WORST CASE MAP SIZE: `1000000`
+//! HOSTNAME: `macbook pro 14 m2`, CPU: `m2-arm64`
+//! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: Some("bridge-hub-rococo-dev"), DB CACHE: 1024
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for ethereum_beacon_client.
+pub trait WeightInfo {
+    fn submit() -> Weight;
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+    fn submit() -> Weight {
+        Weight::from_parts(70_000_000, 0)
+            .saturating_add(Weight::from_parts(0, 3601))
+            .saturating_add(RocksDbWeight::get().reads(2))
+            .saturating_add(RocksDbWeight::get().writes(2))
+    }
+}