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

j2k/testData/fileOrElement/projections/projections.kt

@@ -1,22 +1,22 @@
 import java.util.ArrayList
 
 internal class C<T> {
-    internal fun foo1(src: Collection<T>) {
+    fun foo1(src: Collection<T>) {
         val t = src.iterator().next()
     }
 
-    internal fun foo2(src: ArrayList<out T>) {
+    fun foo2(src: ArrayList<out T>) {
         val t = src.iterator().next()
     }
 
-    internal fun foo3(dst: MutableCollection<in T>, t: T) {
+    fun foo3(dst: MutableCollection<in T>, t: T) {
         dst.add(t)
     }
 
-    internal fun foo4(comparable: Comparable<T>, t: T): Int {
+    fun foo4(comparable: Comparable<T>, t: T): Int {
         return comparable.compareTo(t)
     }
 
-    internal fun foo5(w: Collection<*>) {
+    fun foo5(w: Collection<*>) {
     }
 }