Merge branch 'unstable' into merge-unstable-to-deneb-20230808

# Conflicts:
#	Cargo.lock
#	beacon_node/beacon_chain/src/lib.rs
#	beacon_node/execution_layer/src/engine_api.rs
#	beacon_node/execution_layer/src/engine_api/http.rs
#	beacon_node/execution_layer/src/test_utils/mod.rs
#	beacon_node/lighthouse_network/src/rpc/codec/ssz_snappy.rs
#	beacon_node/lighthouse_network/src/rpc/handler.rs
#	beacon_node/lighthouse_network/src/rpc/protocol.rs
#	beacon_node/lighthouse_network/src/service/utils.rs
#	beacon_node/lighthouse_network/tests/rpc_tests.rs
#	beacon_node/network/Cargo.toml
#	beacon_node/network/src/network_beacon_processor/tests.rs
#	lcli/src/parse_ssz.rs
#	scripts/cross/Dockerfile
#	validator_client/src/block_service.rs
#	validator_client/src/validator_store.rs

testing/execution_engine_integration/src/test_rig.rs

@@ -204,16 +204,6 @@ impl<E: GenericExecutionEngine> TestRig<E> {
         let account1 = ethers_core::types::Address::from_slice(&hex::decode(ACCOUNT1).unwrap());
         let account2 = ethers_core::types::Address::from_slice(&hex::decode(ACCOUNT2).unwrap());
 
-        /*
-         * Check the transition config endpoint.
-         */
-        for ee in [&self.ee_a, &self.ee_b] {
-            ee.execution_layer
-                .exchange_transition_configuration(&self.spec)
-                .await
-                .unwrap();
-        }
-
         /*
          * Read the terminal block hash from both pairs, check it's equal.
          */