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/fixtures/src/lib.rs

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2023 Snowfork <hello@snowfork.com>
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use snowbridge_beacon_primitives::CompactExecutionHeader;
+use snowbridge_core::inbound::Message;
+use sp_core::RuntimeDebug;
+
+pub mod register_token;
+pub mod register_token_with_insufficient_fee;
+pub mod send_token;
+pub mod send_token_to_penpal;
+
+#[derive(Clone, RuntimeDebug)]
+pub struct InboundQueueFixture {
+	pub execution_header: CompactExecutionHeader,
+	pub message: Message,
+}