refactor(auction-house): remove mpl-testing-utils crate dep so we can publish ah (#452)

Author: samuelvanderwaal

auction-house/program/Cargo.toml

@@ -36,7 +36,7 @@ anchor-client = "~0.24.1"
 shellexpand = "~2.1.0"
 serde_json = "~1.0"
 solana-program = "~1.9.15"
-mpl-testing-utils= {path="../../core/rust/testing-utils", version="0.0.2"}
+mpl-testing-utils= {path="../../core/rust/testing-utils" }
 solana-program-test = "~1.9.15"
 solana-sdk = "~1.9.15"
 env_logger="~0.9.0"