[Test] Disable UNUSED_* diagnostics in tests which are not belong to contolFlowAnalysis suite

compiler/testData/diagnostics/tests/callableReference/function/ambiguityTopLevelVsTopLevel.kt

@@ -1,9 +1,9 @@
 // !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_VARIABLE
-fun foo(x: Int, <!UNUSED_PARAMETER!>y<!>: Any) = x
-fun foo(<!UNUSED_PARAMETER!>x<!>: Any, y: Int) = y
+fun foo(x: Int, y: Any) = x
+fun foo(x: Any, y: Int) = y
 
 fun main() {
     ::<!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!>
-    
+
     val fooRef: (Int, Any) -> Unit = ::<!NONE_APPLICABLE!>foo<!>
 }