Remove useless check against SAL_MAX_INT32

...changed from a check against USHRT_MAX in
3cbfcee3 "xub_StrLen and tools/string.hxx final
straw"

Change-Id: I8311803f9b5d1a78d8039d4810b0ae3cfdd27c53
Reviewed-on: https://gerrit.libreoffice.org/48770Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

editeng/source/accessibility/AccessibleEditableTextPara.cxx

@@ -611,7 +611,7 @@ namespace accessibility
 
     bool AccessibleEditableTextPara::GetAttributeRun( sal_Int32& nStartIndex, sal_Int32& nEndIndex, sal_Int32 nIndex )
     {
-        DBG_ASSERT(nIndex >= 0 && nIndex <= SAL_MAX_INT32,
+        DBG_ASSERT(nIndex >= 0,
                    "AccessibleEditableTextPara::GetAttributeRun: index value overflow");
 
         DBG_ASSERT(GetParagraphIndex() >= 0 && GetParagraphIndex() <= SAL_MAX_INT32,