MDL-21695 Replaced grade/excluded.html

AMOS BEGIN
 HLP grade/excluded.html,[excluded_help,core_grades]
AMOS END

grade/edit/tree/grade_form.php

@@ -82,7 +82,7 @@ class edit_grade_form extends moodleform {
         } else {
             $mform->addElement('advcheckbox', 'excluded', get_string('excluded', 'grades'));
         }
-        $mform->setHelpButton('excluded', array('excluded', get_string('excluded', 'grades'), 'grade'));
+        $mform->addHelpButton('excluded', 'excluded', 'grades');
 
         /// hiding
         /// advcheckbox is not compatible with disabledIf !!

lang/en/grades.php

@@ -219,7 +219,6 @@ $string['errorupdatinggradecategoryaggregation'] = 'Error updating the aggregati
 $string['errorupdatinggradeitemaggregationcoef'] = 'Error updating the aggregation coefficient (weight or extra credit) of grade item ID {$a->id}';
 $string['excluded'] = 'Excluded';
 $string['excluded_help'] = 'If ticked, the grade will not be included in any aggregation.';
-$string['excludedhelp'] = 'If -excluded- is switched on, this grade will be excluded from any aggregation performed by any parent grade item or category.';
 $string['expand'] = 'Expand Category';
 $string['export'] = 'Export';
 $string['exportalloutcomes'] = 'Export all outcomes';

lang/en/help/grade/excluded.html

@@ -1,2 +0,0 @@
-<h1>Excluded grades</h1>
-<p>If -excluded- is switched on, this grade will be excluded from any aggregation performed by any parent grade item or category.</p>