Remove javadoc for x, y params to get rid of warnings

Author: JordanMartinez

richtextfx/src/main/java/org/fxmisc/richtext/StyledTextArea.java

@@ -663,8 +663,6 @@ CharacterHit hit(ParagraphBox.CaretOffsetX x, double y) {
      *         area.moveTo(characterPosition, SelectionPolicy.CLEAR);
      *     }}
      * </pre>
-     * @param x
-     * @param y
      */
     public CharacterHit hit(double x, double y) {
         VirtualFlowHit<Cell<Paragraph<PS, S>, ParagraphBox<PS, S>>> hit = virtualFlow.hit(x, y);