testing: Remove old lightclient object

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

testing/integration-tests/src/utils/context.rs

@@ -4,13 +4,8 @@
 
 pub(crate) use crate::{node_runtime, utils::TestNodeProcess};
 
-use subxt::SubstrateConfig;
-
-#[cfg(lightclient)]
-use subxt::client::LightClient;
-
-#[cfg(fullclient)]
 use subxt::client::OnlineClient;
+use subxt::SubstrateConfig;
 
 /// `substrate-node` should be installed on the $PATH. We fall back
 /// to also checking for an older `substrate` binary.
@@ -30,12 +25,8 @@ pub type TestConfig = SubstrateConfig;
 
 pub type TestContext = TestNodeProcess<SubstrateConfig>;
 
-#[cfg(fullclient)]
 pub type TestClient = OnlineClient<SubstrateConfig>;
 
-#[cfg(lightclient)]
-pub type TestClient = LightClient<SubstrateConfig>;
-
 pub async fn test_context() -> TestContext {
     test_context_with("alice".to_string()).await
 }