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

j2k/testData/fileOrElement/mutableCollections/FunctionParameters.kt

@@ -2,10 +2,10 @@
 import java.util.*
 
 internal class A<T> {
-    internal fun foo(nonMutableCollection: Collection<String>,
-                     mutableCollection: MutableCollection<String>,
-                     mutableSet: MutableSet<T>,
-                     mutableMap: MutableMap<String, T>) {
+    fun foo(nonMutableCollection: Collection<String>,
+            mutableCollection: MutableCollection<String>,
+            mutableSet: MutableSet<T>,
+            mutableMap: MutableMap<String, T>) {
         mutableCollection.addAll(nonMutableCollection)
         mutableSet.add(mutableMap.remove("a"))
     }

j2k/testData/fileOrElement/mutableCollections/FunctionParameters2.kt

@@ -1,11 +1,11 @@
 import java.util.*
 
 internal class A {
-    internal fun foo(set: MutableSet<String>) {
+    fun foo(set: MutableSet<String>) {
         bar(set)
     }
 
-    internal fun bar(collection: MutableCollection<String>) {
+    fun bar(collection: MutableCollection<String>) {
         collection.add("a")
     }
 }

j2k/testData/fileOrElement/mutableCollections/FunctionReturnValue.kt

@@ -1,11 +1,11 @@
 import java.util.*
 
 internal class A {
-    internal fun createCollection(): MutableCollection<String> {
+    fun createCollection(): MutableCollection<String> {
         return ArrayList()
     }
 
-    internal fun foo(): Collection<String> {
+    fun foo(): Collection<String> {
         val collection = createCollection()
         collection.add("a")
         return collection

j2k/testData/fileOrElement/mutableCollections/FunctionReturnValue2.kt

@@ -1,13 +1,13 @@
 import java.util.*
 
-internal class A internal constructor() {
+internal class A {
     private val collection: MutableCollection<String>
 
     init {
         collection = createCollection()
     }
 
-    internal fun createCollection(): MutableCollection<String> {
+    fun createCollection(): MutableCollection<String> {
         return ArrayList()
     }
 

j2k/testData/fileOrElement/mutableCollections/Recursion.kt

@@ -1,11 +1,11 @@
 import java.util.*
 
 internal class A {
-    internal fun foo(collection: MutableCollection<String>) {
+    fun foo(collection: MutableCollection<String>) {
         bar(collection)
     }
 
-    internal fun bar(collection: MutableCollection<String>) {
+    fun bar(collection: MutableCollection<String>) {
         if (collection.size() < 5) {
             foo(collection)
         } else {