C#: Remove explicit (trivial) type requirements on Debug.Assert methods.

csharp/ql/lib/semmle/code/csharp/frameworks/system/Diagnostics.qll

@@ -41,9 +41,7 @@ class SystemDiagnosticsDebugClass extends SystemDiagnosticsClass {
   /** Gets an `Assert(bool, ...)` method. */
   Method getAssertMethod() {
     result.getDeclaringType() = this and
-    result.hasName("Assert") and
-    result.getParameter(0).getType() instanceof BoolType and
-    result.getReturnType() instanceof VoidType
+    result.hasName("Assert")
   }
 }