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

j2k/testData/fileOrElement/methodCallExpression/genericMethod.kt

@@ -1,12 +1,12 @@
 package demo
 
 internal class Map {
-    internal fun <K, V> put(k: K?, v: V) {
+    fun <K, V> put(k: K?, v: V) {
     }
 }
 
 internal class U {
-    internal fun test() {
+    fun test() {
         val m = Map()
         m.put<String, Int>(null, 10)
     }