Remove unused deps (#2592)

Found some deps you're possibly not using.

Please shout if you think they are indeed still needed.

testing/ef_tests/Cargo.toml

@@ -31,5 +31,4 @@ state_processing = { path = "../../consensus/state_processing" }
 swap_or_not_shuffle = { path = "../../consensus/swap_or_not_shuffle" }
 types = { path = "../../consensus/types" }
 snap = "1.0.1"
-parking_lot = "0.11.0"
 fs2 = "0.4.3"

testing/eth1_test_rig/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2018"
 [dependencies]
 tokio = { version = "1.10.0", features = ["time"] }
 web3 = { version = "0.17.0", default-features = false, features = ["http-tls", "signing", "ws-tls-tokio"] }
-futures = "0.3.7"
 types = { path = "../../consensus/types"}
 serde_json = "1.0.58"
 deposit_contract = { path = "../../common/deposit_contract"}

testing/node_test_rig/Cargo.toml

@@ -8,13 +8,7 @@ edition = "2018"
 environment = { path = "../../lighthouse/environment" }
 beacon_node = { path = "../../beacon_node" }
 types = { path = "../../consensus/types" }
-eth2_config = { path = "../../common/eth2_config" }
 tempfile = "3.1.0"
-reqwest = { version = "0.11.0", features = ["native-tls-vendored"] }
-url = "2.1.1"
-serde = "1.0.116"
-futures = "0.3.7"
-genesis = { path = "../../beacon_node/genesis" }
 eth2 = { path = "../../common/eth2" }
 validator_client = { path = "../../validator_client" }
 validator_dir = { path = "../../common/validator_dir", features = ["insecure_keys"] }

testing/simulator/Cargo.toml

@@ -10,7 +10,6 @@ edition = "2018"
 node_test_rig = { path = "../node_test_rig" }
 eth1 = {path = "../../beacon_node/eth1"}
 types = { path = "../../consensus/types" }
-validator_client = { path = "../../validator_client" }
 parking_lot = "0.11.0"
 futures = "0.3.7"
 tokio = "1.10.0"