fix: remove metadata hash from testnet

runtime/testnet/Cargo.toml

@@ -221,17 +221,4 @@ try-runtime = [
     "parachain-info/try-runtime",
     "polkadot-runtime-common/try-runtime",
     "sp-runtime/try-runtime",
-]
-
-# Enable the metadata hash generation.
-#
-# This is hidden behind a feature because it increases the compile time.
-# The wasm binary needs to be compiled twice, once to fetch the metadata,
-# generate the metadata hash and then a second time with the
-# `RUNTIME_METADATA_HASH` environment variable set for the `CheckMetadataHash`
-# extension.
-metadata-hash = ["substrate-wasm-builder/metadata-hash"]
-
-# A convenience feature for enabling things when doing a build
-# for an on-chain release.
-on-chain-release-build = ["metadata-hash"]
+]