Remove javadoc for throws that no exist

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273149 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/helper/ProjectHelperImpl.java

@@ -802,8 +802,6 @@ public void init(String tag, AttributeList attrs) throws SAXParseException {
          *            Will not be <code>null</code>.
          * @param start The start element in the array.
          * @param count The number of characters to read from the array.
-         *
-         * @exception SAXParseException if the element doesn't support text
          */
         public void characters(char[] buf, int start, int count) {
             wrapper.addText(buf, start, count);
@@ -938,8 +936,6 @@ public void init(String propType, AttributeList attrs) throws SAXParseException
          *            Will not be <code>null</code>.
          * @param start The start element in the array.
          * @param count The number of characters to read from the array.
-         *
-         * @exception SAXParseException if the element doesn't support text
          */
         public void characters(char[] buf, int start, int count) {
             childWrapper.addText(buf, start, count);
@@ -1036,8 +1032,6 @@ public void init(String propType, AttributeList attrs) throws SAXParseException
          * @param start The start element in the array.
          * @param count The number of characters to read from the array.
          *
-         * @exception SAXParseException if the element doesn't support text
-         *
          * @see ProjectHelper#addText(Project,Object,char[],int,int)
          */
         public void characters(char[] buf, int start, int count) {