Summary
-------
Remove the internal Catalog API and its entire implementation from JDK 10.
Problem
-------
The internal Catalog API was deprecated and marked as for removal in JDK 9 after the introduction of the XML Catalog API (JDK-8023732 JEP 268). It and its implementation shall be removed from JDK 10.
Solution
--------
Remove the internal Catalog API and its entire implementation from JDK 10.
Specification
-------------
The following classes will be removed:
R src/java.xml/share/classes/com/sun/org/apache/xerces/internal/util/XMLCatalogResolver.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/Catalog.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/CatalogEntry.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/CatalogException.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/CatalogManager.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/Resolver.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/helpers/BootstrapResolver.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/helpers/Debug.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/helpers/FileURL.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/helpers/Namespaces.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/helpers/PublicId.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/CatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/DOMCatalogParser.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/DOMCatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/ExtendedXMLCatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/OASISXMLCatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/SAXCatalogParser.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/SAXCatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/SAXParserHandler.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/TR9401CatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/TextCatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/readers/XCatalogReader.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/tools/CatalogResolver.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/tools/ResolvingParser.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/tools/ResolvingXMLFilter.java
R src/java.xml/share/classes/com/sun/org/apache/xml/internal/resolver/tools/ResolvingXMLReader.java