Converter from Java: do not produce class object for just private methods + fixed bug with unnecessary static member qualification

j2k/tests/testData/ast/staticMembers/PrivateStaticMethods1.kt

@@ -0,0 +1,11 @@
+class A() {
+    public fun foo() {
+        privateStatic1()
+        privateStatic2()
+    }
+
+    private fun privateStatic1() {
+    }
+    private fun privateStatic2() {
+    }
+}