Remove old UI test (#1289)

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>

substrate/frame/support/test/tests/construct_runtime_ui.rs

@@ -27,6 +27,9 @@ fn ui() {
 	// As trybuild is using `cargo check`, we don't need the real WASM binaries.
 	std::env::set_var("SKIP_WASM_BUILD", "1");
 
+	// Deny all warnings since we emit warnings as part of a Runtime's UI.
+	std::env::set_var("RUSTFLAGS", "--deny warnings");
+
 	let t = trybuild::TestCases::new();
 	t.compile_fail("tests/construct_runtime_ui/*.rs");
 }

substrate/frame/support/test/tests/pallet_ui/genesis_default_not_satisfied.rs

@@ -1,26 +0,0 @@
-#[frame_support::pallet]
-mod pallet {
-	use frame_support::pallet_prelude::{BuildGenesisConfig, Hooks};
-	use frame_system::pallet_prelude::BlockNumberFor;
-
-	#[pallet::config]
-	pub trait Config: frame_system::Config {}
-
-	#[pallet::pallet]
-	pub struct Pallet<T>(core::marker::PhantomData<T>);
-
-	#[pallet::hooks]
-	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
-
-	#[pallet::call]
-	impl<T: Config> Pallet<T> {}
-
-	#[pallet::genesis_config]
-	pub struct GenesisConfig;
-
-	#[pallet::genesis_build]
-	impl BuildGenesisConfig for GenesisConfig {}
-}
-
-fn main() {
-}

substrate/frame/support/test/tests/pallet_ui/genesis_default_not_satisfied.stderr

@@ -1,16 +0,0 @@
-error[E0277]: the trait bound `pallet::GenesisConfig: std::default::Default` is not satisfied
-  --> tests/pallet_ui/genesis_default_not_satisfied.rs:22:30
-   |
-22 |     impl BuildGenesisConfig for GenesisConfig {}
-   |                                 ^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `pallet::GenesisConfig`
-   |
-note: required by a bound in `BuildGenesisConfig`
-  --> $WORKSPACE/substrate/frame/support/src/traits/hooks.rs
-   |
-   | pub trait BuildGenesisConfig: Default + sp_runtime::traits::MaybeSerializeDeserialize {
-   |                               ^^^^^^^ required by this bound in `BuildGenesisConfig`
-help: consider annotating `pallet::GenesisConfig` with `#[derive(Default)]`
-   |
-19  +     #[derive(Default)]
-20  |     pub struct GenesisConfig;
-    |