Remove irrelevant test code included by mistake

Author: ShoyuVanilla

crates/hir-ty/src/mir/eval/tests.rs

@@ -636,28 +636,6 @@ fn main() {
     );
 }
 
-#[test]
-fn check_check_check() {
-    check_pass(
-        r#"
-//- minicore: fn
-struct Foo<F: FnOnce(i32)>(F);
-fn should_not_reach() {
-    _ // FIXME: replace this function with panic when that works
-}
-
-fn main() {
-    let mut a = 0;
-    let foo = Foo(move |val| {
-        a = val;
-    });
-    foo.0(10);
-    foo.0(20);
-}
-        "#,
-    )
-}
-
 #[test]
 fn closure_capture_array_const_generic() {
     check_pass(