Remove runtime usage from unused receiver parameter tests

idea/testData/inspectionsLocal/unusedReceiverParameter/functionInSameClass.kt

@@ -1,16 +1,12 @@
-// WITH_RUNTIME
-
 class Test(val str: String) {
-
     private fun <caret>Test.print() {
         println(str)
         println(this.str)
         println(this@print.str)
-        println()
+        println(this)
     }
 
     fun test(test: Test) {
-        print()
         test.print()
         Test("three").print()
     }
@@ -19,3 +15,5 @@ class Test(val str: String) {
 fun main(args: Array<String>) {
     Test("one").test(Test("two"))
 }
+
+fun println(a: Any) {}