Delete erroneous Socket test (#105448)

src/libraries/System.Net.Sockets/tests/FunctionalTests/CreateSocketTests.cs

@@ -688,35 +688,6 @@ public unsafe void Ctor_SafeHandle_SocketPair_Success()
  close(ptr[1]);
  }
 
- // On some Unix machines the second (manual) handle close succeeds despite Socket's/SafeSocketHandle's Dispose
- // completing a succesful close of the same handle value previously.
- // We may investigate this, but it doesn't indicate incorrect behavior in Socket code,
- // so making the test PlatformSpecific seems to be good enough. The SafeSocketHandle lifecycle logic is platform cross-platform.
- [PlatformSpecific(TestPlatforms.Windows)]
- [Theory]
- [InlineData(false)]
- [InlineData(true)]
- public void Ctor_Dispose_HandleClosedIfOwnsHandle(bool ownsHandle)
- {
- Socket original = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
- IntPtr handleValue = original.Handle;
-
- SafeSocketHandle handleClone = new SafeSocketHandle(handleValue, ownsHandle: ownsHandle);
- Socket socketClone = new Socket(handleClone);
- socketClone.Dispose();
-
- bool manualCloseSucceeded = closesocket(handleValue) == 0;
- Assert.Equal(!ownsHandle, manualCloseSucceeded);
-
-#if DEBUG // The finalizer will fail to close the handle which leads to an assertion failure in Debug builds.
- GC.SuppressFinalize(original);
- GC.SuppressFinalize(original.SafeHandle);
-#endif
-
- [DllImport("ws2_32.dll", SetLastError = true)]
- static extern int closesocket(IntPtr socketHandle);
- }
-
  private static void AssertEqualOrSameException<T>(Func<T> expected, Func<T> actual)
  {
  T r1 = default, r2 = default;