Remove reference to AccessibleTextImpl.java

The file:
infra\accessibility\bridge\org\openoffice\java\accessibility\AccessibleTextImpl.java
was deleted on commit 130833f8

Change-Id: I8cecee3f55fd472f0ff13a14ff9db9acc26cd6ac
Reviewed-on: https://gerrit.libreoffice.org/16296Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

winaccessibility/source/UAccCOM/AccEditableText.cxx

@@ -253,7 +253,6 @@ STDMETHODIMP CAccEditableText::setAttributes(long startOffset, long endOffset, B
 
 /**
  * Convert attributes string to Any type.
- * Reference to infra\accessibility\bridge\org\openoffice\java\accessibility\AccessibleTextImpl.java
  *
  * @param   ouName      the string of attribute name.
  * @param   ouValue     the string of attribute value.