Revert 06215ca932

It led to parameter names missing in parameter info and completion for compiled java code used from kotlin
See KT-11039

compiler/frontend.java/src/org/jetbrains/kotlin/load/java/structure/impl/JavaValueParameterImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 JetBrains s.r.o.
+ * Copyright 2010-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,7 +19,6 @@ package org.jetbrains.kotlin.load.java.structure.impl;
 import com.intellij.psi.PsiAnnotationOwner;
 import com.intellij.psi.PsiParameter;
 import com.intellij.psi.impl.compiled.ClsParameterImpl;
-import com.intellij.psi.impl.java.stubs.impl.PsiParameterStubImpl;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.descriptors.Visibilities;
@@ -86,7 +85,7 @@ public class JavaValueParameterImpl extends JavaElementImpl<PsiParameter>
     @Nullable
     public Name getName() {
         PsiParameter psi = getPsi();
-        if (isParameterWithAutoGeneratedName(psi)) {
+        if (psi instanceof ClsParameterImpl && ((ClsParameterImpl) psi).isAutoGeneratedName()) {
             return null;
         }
 
@@ -94,11 +93,6 @@ public class JavaValueParameterImpl extends JavaElementImpl<PsiParameter>
         return name == null ? null : Name.identifier(name);
     }
 
-    private static boolean isParameterWithAutoGeneratedName(PsiParameter psi) {
-        // see com.intellij.psi.impl.compiled.ClsParameterImpl.calcName()
-        return psi instanceof ClsParameterImpl && ((PsiParameterStubImpl) ((ClsParameterImpl) psi).getStub()).isAutoGeneratedName();
-    }
-
     @Override
     @NotNull
     public JavaType getType() {