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

compiler/testData/diagnostics/tests/substitutions/kt4887.kt

@@ -1,8 +1,8 @@
 package h
 
-public class MyClass<S, T>(<!UNUSED_PARAMETER!>param<!>: MyClass<S, T>) {
+public class MyClass<S, T>(param: MyClass<S, T>) {
     fun test() {
         val result: MyClass<Any, Any>? = null
         MyClass<S, Any>(result <!UNCHECKED_CAST!>as MyClass<S, Any><!>)
     }
-}
+}

compiler/testData/diagnostics/tests/substitutions/upperBoundsSubstitutionForOverloadResolutionWithAmbiguity.kt

@@ -2,12 +2,12 @@
 // FILE: foo.kt
 package foo
 
-fun <T> f(<!UNUSED_PARAMETER!>l<!>: List<T>) {}
+fun <T> f(l: List<T>) {}
 
 // FILE: bar.kt
 package bar
 
-fun <T> f(<!UNUSED_PARAMETER!>l<!>: List<T>) {}
+fun <T> f(l: List<T>) {}
 
 // FILE: main.kt