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

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

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !CHECK_TYPE
 
 import kotlin.reflect.*
@@ -6,9 +7,9 @@ class A
 
 fun main() {
     fun foo() {}
-    fun bar(<!UNUSED_PARAMETER!>x<!>: Int) {}
+    fun bar(x: Int) {}
     fun baz() = "OK"
-    
+
     fun A.ext() {
         val x = ::foo
         val y = ::bar