Clarify how toLocalDate() creates the LocalDate:

hg diff Date.java
diff -r 562b349a85da src/java.sql/share/classes/java/sql/Date.java
--- a/src/java.sql/share/classes/java/sql/Date.java Tue Aug 18 20:30:15 2015 -0700
+++ b/src/java.sql/share/classes/java/sql/Date.java Wed Aug 19 10:03:58 2015 -0400
@@ -295,11 +295,8 @@
     }
 
     /**
- * Converts this {@code Date} object to a {@code LocalDate}
- * <p>
- * The conversion creates a {@code LocalDate} that represents the same
- * date value as this {@code Date} in local time zone
- *
+ * Creates a {@code LocalDate} instance using the year, month and day
+ * from this {@code Date} object.
      * @return a {@code LocalDate} object representing the same date value
      *
      * @since 1.8