8042829: [javadoc] index-file output is not sorted correctly

8043062: JDK 9 platform and compiler upgrade failed on Solaris-sparcv9 with Javadoc.gmk:360: recipe for target docs/api/index.html

Reviewed-by: erikj, jjg

langtools/test/com/sun/javadoc/testOrdering/pkg1/UsedClass.java

@@ -23,72 +23,6 @@
 
 package pkg1;
 /**
- * For index and class-use testing
+ * For class-use testing
  */
-public class UsedClass {
-
-    /**
-     * just an empty param method.
-     */
-    public void   add(){}
-
-    /**
-     * @param d param
-     */
-    public void   add(double d){}
-
-    /**
-     * @param i param
-     * @param f param
-     */
-    public void   add(int i, float f){}
-
-    /**
-     * @param f param
-     * @param i param
-     */
-    public void   add(float f, int i){}
-
-    /**
-     * @param d param
-     * @param b param
-     */
-    public void   add(double d, byte b){}
-
-    /**
-     * @param d param
-     * @return Double
-     */
-    public Double add(Double d) {return (double) 22/7;}
-
-    /**
-     * @param d1 param
-     * @param d2 param
-     * @return double
-     */
-    public double add(double d1, double d2) {return d1 + d2;}
-
-    /**
-     * @param d1 param
-     * @param d2 param
-     * @return double
-     */
-    public double add(double d1, Double  d2) {return d1 + d2;}
-
-    /**
-     * @param f param
-     * @return Float
-     */
-    public Float  add(float f) {return (float) 22/7;}
-
-    /**
-     * @param i param
-     */
-    public void   add(int i){}
-
-    /**
-     * @param i param
-     * @return double
-     */
-    public int    add(Integer i) {return 0;}
-}
+public class UsedClass {}