Introduce Parameter: Suggest removing extension receiver which becomes unused after new parameter is added

idea/testData/refactoring/introduceParameter/unusedDispatchReceiver.kt.after

@@ -0,0 +1,15 @@
+// WITH_RUNTIME
+// WITH_DEFAULT_VALUE: false
+class A(val n: Int) {
+    fun foo(i: Int): Int {
+        return i
+    }
+}
+
+fun test() {
+    val a = A(1)
+    a.foo(a.n + 1)
+    with(A(1)) {
+        foo(n + 1)
+    }
+}