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

compiler/testData/diagnostics/tests/FreeFunctionCalledAsExtension.kt

@@ -1,4 +1,4 @@
-fun foo(<!UNUSED_PARAMETER!>a<!>: (String) -> Unit) {
+fun foo(a: (String) -> Unit) {
     "".<!UNRESOLVED_REFERENCE!>a<!>()
 }
 
@@ -6,7 +6,7 @@ fun foo(<!UNUSED_PARAMETER!>a<!>: (String) -> Unit) {
 
 interface A : (String) -> Unit {}
 
-fun foo(<!UNUSED_PARAMETER!>a<!>: @ExtensionFunctionType A) {
+fun foo(a: @ExtensionFunctionType A) {
     // @Extension annotation on an unrelated type shouldn't have any effect on this diagnostic.
     // Only kotlin.Function{n} type annotated with @Extension should
     "".<!UNRESOLVED_REFERENCE!>a<!>()