Introduce Parameter: Remove parameters which become unused after occurrence replacement

idea/testData/refactoring/introduceParameter/classUsedParameter.kt

@@ -0,0 +1,10 @@
+// TARGET:
+class A(val a: Int, s: String) {
+    val x = a + 2
+
+    fun foo() = (<selection>a + 1</selection>) * 2
+}
+
+fun test() {
+    A(1, "2")
+}