C#: Remove disposal test for library code as we are no longer doing CIL extraction or data flow.

Author: michaelnebel

csharp/ql/test/query-tests/API Abuse/NoDisposeCallOnLocalIDisposable/Class1.cs_

@@ -76,9 +76,6 @@ public IDisposable Method()
         var xmlDoc = new XmlDocument();
         xmlDoc.Load(xmlReader);
 
-        // GOOD: Passed to a library (False positive as this is disposed in library code).
-        DisposalTests.Class1.Dispose(new StreamWriter("output.txt"));
-
         // GOOD: Disposed automatically.
         using var c2 = new Timer(TimerProc);
 

csharp/ql/test/query-tests/API Abuse/NoDisposeCallOnLocalIDisposable/DisposalTests.dll

@@ -3,5 +3,4 @@
 | NoDisposeCallOnLocalIDisposable.cs:53:9:53:64 | object creation of type FileStream | Disposable 'FileStream' is created but not disposed. |
 | NoDisposeCallOnLocalIDisposable.cs:75:25:75:71 | call to method Create | Disposable 'XmlReader' is created but not disposed. |
 | NoDisposeCallOnLocalIDisposable.cs:75:42:75:64 | object creation of type StringReader | Disposable 'StringReader' is created but not disposed. |
-| NoDisposeCallOnLocalIDisposable.cs:80:38:80:67 | object creation of type StreamWriter | Disposable 'StreamWriter' is created but not disposed. |
 | NoDisposeCallOnLocalIDisposableBad.cs:8:22:8:56 | object creation of type FileStream | Disposable 'FileStream' is created but not disposed. |