New J2K: do not allow field and method declarations to be internal

For internal members new names are generated,
So, references to them from Java will be broken

nj2k/testData/copyPaste/AddImports.expected.kt

@@ -1,5 +1,5 @@
 import java.io.File
 
-internal fun foo(file: File?): List<String?>? {
+fun foo(file: File?): List<String?>? {
     return emptyList<String>()
 }

nj2k/testData/copyPaste/AddImportsWithExplicitImports.expected.kt

@@ -1,6 +1,6 @@
 import java.io.File
 
-class C {
+internal class C {
     private fun memberFun(file: File) {}
 
     companion object {

nj2k/testData/copyPaste/AddKClassImport.expected.kt

@@ -2,4 +2,4 @@ package to
 
 import kotlin.reflect.KClass
 
-annotation class Ann(val value: KClass<*>)
+internal annotation class Ann(val value: KClass<*>)

nj2k/testData/copyPaste/ConversionInCorrectContext.expected.kt

@@ -1,3 +1,3 @@
-internal fun foo(p: Dependency): Double {
+fun foo(p: Dependency): Double {
     return p.getInt().toDouble() // explicit conversion to Double must be added on conversion (if type Dependency) is correctly resolved
 }

nj2k/testData/copyPaste/FieldWithNoModifierAndNoSemicolon.expected.kt

@@ -1,4 +1,4 @@
 package to
 
 @Volatile
-internal var field = 1
+var field = 1

nj2k/testData/copyPaste/HalfTheWhiteSpace.expected.kt

@@ -1,9 +1,9 @@
 class A {
 
 
-    internal fun foo() {}
+    fun foo() {}
 
-    internal fun bar() {}
+    fun bar() {}
 
 
     fun f() {}

nj2k/testData/copyPaste/MethodDeclarationWithNoBody.expected.kt

@@ -1,3 +1,3 @@
 package to
 
-internal fun foo(p: Int)
+fun foo(p: Int)