Update student.json

Less binary gender option for Student

erpnext/schools/doctype/student/student.json

@@ -497,7 +497,7 @@
    "label": "Gender", 
    "length": 0, 
    "no_copy": 0, 
-   "options": "\nMale\nFemale", 
+   "options": "\nMale\nFemale\nOther", 
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
@@ -1135,4 +1135,4 @@
  "title_field": "title", 
  "track_changes": 0, 
  "track_seen": 0
-}
+}