Cleans up code a bit

core/src/main/java/com/opensymphony/xwork2/ActionContext.java

@@ -83,11 +83,6 @@ public class ActionContext implements Serializable {
      */
     public static final String LOCALE = "com.opensymphony.xwork2.ActionContext.locale";
 
-    /**
-     * Constant for the action's type converter.
-     */
-    public static final String TYPE_CONVERTER = "com.opensymphony.xwork2.ActionContext.typeConverter";
-
     /**
      * Constant for the action's {@link com.opensymphony.xwork2.ActionInvocation invocation} context.
      */
@@ -170,22 +165,13 @@ public class ActionContext implements Serializable {
         return actionContext.get();
     }
 
-    /**
-     * Sets the action's context map.
-     *
-     * @param contextMap the context map.
-     */
-    public void setContextMap(Map<String, Object> contextMap) {
-        getContext().context = contextMap;
-    }
-
     /**
      * Gets the context map.
      *
      * @return the context map.
      */
     public Map<String, Object> getContextMap() {
-        return new HashMap<>(getContext().context);
+        return getContext().context;
     }
 
     /**

core/src/test/java/com/opensymphony/xwork2/ActionContextTest.java

@@ -88,8 +88,9 @@ public class ActionContextTest extends XWorkTestCase {
 
     public void testContextMap() {
         Map<String, Object> map = new HashMap<>();
-        context.setContextMap(map);
-        assertEquals(map, context.getContextMap());
+        ActionContext.setContext(new ActionContext(map));
+
+        assertEquals(map, ActionContext.getContext().getContextMap());
     }
 
     public void testParameters() {