J2K: do not produce redundant "internal" words for members in an internal class

j2k/testData/fileOrElement/switch/caseWithBlock.kt

@@ -1,4 +1,4 @@
-internal fun foo() {
+fun foo() {
     when (a) {
         1 -> {
             val x = 1

j2k/testData/fileOrElement/switch/continueAndBreakWithLabel.kt

@@ -1,4 +1,4 @@
-internal fun foo() {
+fun foo() {
     Loop@ while (true) {
         when (take()) {
             1 -> continue

j2k/testData/fileOrElement/switch/enumConstants.kt

@@ -3,7 +3,7 @@ internal enum class ColorEnum {
 }
 
 internal class MyClass {
-    internal fun method(colorEnum: ColorEnum): Int {
+    fun method(colorEnum: ColorEnum): Int {
         when (colorEnum) {
             ColorEnum.GREEN -> return 1
             else -> return 2

j2k/testData/fileOrElement/switch/invalidSwitch.kt

@@ -1,4 +1,4 @@
-internal fun foo() {
+fun foo() {
     when (a) {
         -> {
             println("1")

j2k/testData/fileOrElement/switch/returnsAndThrows.kt

@@ -1,4 +1,4 @@
-internal fun foo(a: Int): Int {
+fun foo(a: Int): Int {
     when (a) {
         1 -> {
             println("1")