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

j2k/testData/fileOrElement/comments/commentsForConstructors.kt

@@ -1,5 +1,5 @@
 internal class A// this is a primary constructor
-@JvmOverloads internal constructor(p: Int = 1) {
+@JvmOverloads constructor(p: Int = 1) {
     private val v: Int
 
     init {
@@ -7,7 +7,7 @@ internal class A// this is a primary constructor
     } // end of primary constructor body
 
     // this is a secondary constructor 2
-    internal constructor(s: String) : this(s.length()) {
+    constructor(s: String) : this(s.length()) {
     } // end of secondary constructor 2 body
 }// this is a secondary constructor 1
 // end of secondary constructor 1 body
@@ -16,6 +16,6 @@ internal class B// this constructor will disappear
 (private val x: Int) // end of constructor body
 {
 
-    internal fun foo() {
+    fun foo() {
     }
 }