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

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

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !CHECK_TYPE
 
 import kotlin.reflect.*
@@ -5,7 +6,7 @@ import kotlin.reflect.*
 class A
 
 fun A.foo() {}
-fun A.bar(<!UNUSED_PARAMETER!>x<!>: Int) {}
+fun A.bar(x: Int) {}
 fun A.baz() = "OK"
 
 fun main() {