Update docstrings

Author: nkanu17

redisvl/schema/fields.py

@@ -105,7 +105,7 @@ def _normalize_field_modifiers(
 ) -> None:
     """Normalize field modifier ordering for RediSearch parser.
 
-    RediSearch has a parser limitation (redis/redis#5177) where INDEXEMPTY and
+    RediSearch has a parser limitation where INDEXEMPTY and
     INDEXMISSING must appear BEFORE SORTABLE in field definitions. This function
     reorders field.args_suffix to match the canonical order.
 

tests/unit/test_field_modifier_ordering.py

@@ -5,7 +5,7 @@
 to satisfy RediSearch parser requirements. The canonical order is:
     [INDEXEMPTY] [INDEXMISSING] [SORTABLE [UNF]] [NOINDEX]
 
-This is required because RediSearch has a parser limitation (redis/redis#5177)
+This is required because RediSearch has a parser limitation
 where INDEXEMPTY/INDEXMISSING must appear BEFORE SORTABLE in field definitions.
 """