Delete bad test from AsyncValueTaskMethodBuilderTests.

Author: adityamandaleeka

src/System.Threading.Tasks.Extensions/tests/AsyncValueTaskMethodBuilderTests.cs

@@ -82,36 +82,6 @@ public void Start_InvokesMoveNext()
             Assert.Equal(1, invokes);
         }
 
-        [Theory]
-        [InlineData(false)]
-        [InlineData(true)]
-        public async Task AwaitOnCompleted_InvokesStateMachineMethods(bool awaitUnsafe)
-        {
-            AsyncValueTaskMethodBuilder<int> b = ValueTask<int>.CreateAsyncMethodBuilder();
-            var ignored = b.Task;
-
-            var callbackCompleted = new TaskCompletionSource<bool>();
-            IAsyncStateMachine foundSm = null;
-            var dsm = new DelegateStateMachine
-            {
-                MoveNextDelegate = () => callbackCompleted.SetResult(true),
-                SetStateMachineDelegate = sm => foundSm = sm
-            };
-
-            TaskAwaiter t = Task.CompletedTask.GetAwaiter();
-            if (awaitUnsafe)
-            {
-                b.AwaitUnsafeOnCompleted(ref t, ref dsm);
-            }
-            else
-            {
-                b.AwaitOnCompleted(ref t, ref dsm);
-            }
-
-            await callbackCompleted.Task;
-            Assert.Equal(dsm, foundSm);
-        }
-
         [Theory]
         [InlineData(1, false)]
         [InlineData(2, false)]