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

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/AssertNotNull.kt

@@ -34,6 +34,6 @@ fun main() {
         }
     }
 
-    val <!UNUSED_VARIABLE!>f<!> : String = <!TYPE_MISMATCH!>a<!><!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
+    val f : String = <!TYPE_MISMATCH!>a<!><!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
     checkSubtype<String>(<!TYPE_MISMATCH{NI}!><!TYPE_MISMATCH{OI}!>a<!><!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!><!>)
 }

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/InfixCallNullability.kt

@@ -1,12 +1,12 @@
 // !WITH_NEW_INFERENCE
 class A() {
-    operator infix fun plus(<!UNUSED_PARAMETER!>i<!> : Int) {}
+    operator infix fun plus(i : Int) {}
     operator fun unaryMinus() {}
-    operator infix fun contains(<!UNUSED_PARAMETER!>a<!> : Any?) : Boolean = true
+    operator infix fun contains(a : Any?) : Boolean = true
 }
 
-operator infix fun A.div(<!UNUSED_PARAMETER!>i<!> : Int) {}
-operator infix fun A?.times(<!UNUSED_PARAMETER!>i<!> : Int) {}
+operator infix fun A.div(i : Int) {}
+operator infix fun A?.times(i : Int) {}
 
 fun test(x : Int?, a : A?) {
     x<!UNSAFE_CALL!>.<!>plus(1)

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/funcLiteralArgsInsideUnresolvedFunction.kt

@@ -4,7 +4,7 @@ fun foo() {
     val i : Int? = 42
     if (i != null) {
         <!UNRESOLVED_REFERENCE!>doSmth<!> {
-            val <!UNUSED_VARIABLE!>x<!> = <!DEBUG_INFO_SMARTCAST!>i<!> + 1
+            val x = <!DEBUG_INFO_SMARTCAST!>i<!> + 1
         }
     }
-}
+}

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/kt2125.fir.kt

@@ -1,12 +0,0 @@
-//KT-2125 Inconsistent error message on UNSAFE_CALL
-
-package e
-
-fun main() {
-    val compareTo = 1
-    val s: String? = null
-    s<!UNSAFE_CALL!>.<!>compareTo("")
-
-    val bar = 2
-    s.<!UNRESOLVED_REFERENCE!>bar<!>()
-}

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/kt2125.kt

@@ -1,12 +1,13 @@
+// FIR_IDENTICAL
 //KT-2125 Inconsistent error message on UNSAFE_CALL
 
 package e
 
 fun main() {
-    val <!UNUSED_VARIABLE!>compareTo<!> = 1
+    val compareTo = 1
     val s: String? = null
     s<!UNSAFE_CALL!>.<!>compareTo("")
 
-    val <!UNUSED_VARIABLE!>bar<!> = 2
+    val bar = 2
     s.<!UNRESOLVED_REFERENCE!>bar<!>()
 }

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/kt2234.kt

@@ -18,8 +18,8 @@ fun main() {
 fun foo() {
     val x : Int? = 3
     if (x != null)  {
-        val <!UNUSED_VARIABLE!>u<!> = checkSubtype<Int>(x<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
+        val u = checkSubtype<Int>(x<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
         val y = checkSubtype<Int>(<!DEBUG_INFO_SMARTCAST!>x<!>)
-        val <!UNUSED_VARIABLE!>z<!> : Int = y
+        val z : Int = y
     }
 }

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/kt244.kt

@@ -6,7 +6,7 @@ package kt244
 fun f(s: String?) {
     if (s != null) {
         <!DEBUG_INFO_SMARTCAST!>s<!>.length  //ok
-        var <!UNUSED_VARIABLE!>i<!> = <!DEBUG_INFO_SMARTCAST!>s<!>.length //error: Only safe calls are allowed on a nullable receiver
+        var i = <!DEBUG_INFO_SMARTCAST!>s<!>.length //error: Only safe calls are allowed on a nullable receiver
         System.out.println(<!DEBUG_INFO_SMARTCAST!>s<!>.length) //error
     }
 }
@@ -16,7 +16,7 @@ class A(a: String?) {
     val b = if (a != null) <!DEBUG_INFO_SMARTCAST!>a<!>.length else 1
     init {
         if (a != null) {
-            val <!UNUSED_VARIABLE!>c<!> = <!DEBUG_INFO_SMARTCAST!>a<!>.length
+            val c = <!DEBUG_INFO_SMARTCAST!>a<!>.length
         }
     }