chore: remove anyhow dev dependency from electrum, esplora, and bitcoind_rpc

crates/bitcoind_rpc/Cargo.toml

@@ -20,7 +20,6 @@ bdk_chain = { path = "../chain", version = "0.13", default-features = false }
 
 [dev-dependencies]
 bdk_testenv = { path = "../testenv", default_features = false }
-anyhow = { version = "1" }
 
 [features]
 default = ["std"]

crates/bitcoind_rpc/tests/test_emitter.rs

@@ -7,7 +7,7 @@ use bdk_chain::{
     local_chain::{CheckPoint, LocalChain},
     Append, BlockId, IndexedTxGraph, SpkTxOutIndex,
 };
-use bdk_testenv::TestEnv;
+use bdk_testenv::{anyhow, TestEnv};
 use bitcoin::{hashes::Hash, Block, OutPoint, ScriptBuf, WScriptHash};
 use bitcoincore_rpc::RpcApi;