Remove COMMUTATOR from *(date, datespanset) operators

The datatype of one of the underlying functions is wrong, and PG 18.7 refuses
to load the extension now. A proper fix needs writing upgrade scripts, we just
work around for now.

--- a/mobilitydb/sql/temporal/009_spanset_ops.in.sql
+++ b/mobilitydb/sql/temporal/009_spanset_ops.in.sql
@@ -2516,8 +2516,8 @@ CREATE FUNCTION span_intersection(datesp

 CREATE OPERATOR * (
   PROCEDURE = span_intersection,
-  LEFTARG = date, RIGHTARG = datespanset,
-  COMMUTATOR = *
+  LEFTARG = date, RIGHTARG = datespanset
+  -- COMMUTATOR = *
 );
 CREATE OPERATOR * (
   PROCEDURE = span_intersection,
@@ -2526,8 +2526,8 @@ CREATE OPERATOR * (
 );
 CREATE OPERATOR * (
   PROCEDURE = span_intersection,
-  LEFTARG = datespanset, RIGHTARG = date,
-  COMMUTATOR = *
+  LEFTARG = datespanset, RIGHTARG = date
+  -- COMMUTATOR = *
 );
 CREATE OPERATOR * (
   PROCEDURE = span_intersection,
