Removing the not used packages that breaking the running IDE

Author: eduard13

src/com/magento/idea/magento2plugin/reference/provider/mftf/PageReferenceProvider.java

@@ -13,11 +13,9 @@
 import com.intellij.util.ProcessingContext;
 import com.intellij.util.indexing.FileBasedIndex;
 import com.magento.idea.magento2plugin.reference.xml.PolyVariantReferenceBase;
-import com.magento.idea.magento2plugin.stubs.indexes.mftf.ActionGroupIndex;
 import com.magento.idea.magento2plugin.stubs.indexes.mftf.PageIndex;
 import com.magento.idea.magento2plugin.xml.XmlPsiTreeUtil;
 import org.jetbrains.annotations.NotNull;
-import sun.jvm.hotspot.debugger.Page;
 
 import java.util.ArrayList;
 import java.util.Collection;