Java to Kotlin converter: no more 2 conversion modes for each test, just a few tests to test non-standard settings

j2k/tests/testData/ast/thisExpression/classAdotThisFoo.ide.kt

@@ -1,12 +0,0 @@
-class Base() {
-    fun foo() {
-    }
-}
-
-class A() : Base() {
-    class C() {
-        fun test() {
-            this@A.foo()
-        }
-    }
-}

j2k/tests/testData/ast/thisExpression/classAdotThisFoo.kt

@@ -1,11 +1,11 @@
-open class Base() {
-    open fun foo() {
+class Base() {
+    fun foo() {
     }
 }
 
-open class A() : Base() {
-    open class C() {
-        open fun test() {
+class A() : Base() {
+    class C() {
+        fun test() {
             this@A.foo()
         }
     }

j2k/tests/testData/ast/thisExpression/thisStatement.ide.kt

@@ -1 +0,0 @@
-super.call()