Modify log_midnight_shots() to remove non-relevant midnight shots.

Those shots could for instance have been removed to a line edit.

etc/db/upgrades/upgrade25-v0.3.12-add-midnight-shots-procedure.sql

@@ -117,6 +117,20 @@ BEGIN
 				FROM event_log el
 				WHERE ms.sequence = el.sequence AND ms.point = el.point AND el.labels @> ms.labels
 			);
+
+		-- Delete any midnight shots that might have been inserted in the log
+		-- but are no longer relevant according to the final_shots data.
+		-- We operate on event_log, so the deletion is traceable.
+		DELETE
+		FROM event_log
+		WHERE id IN (
+			SELECT id
+			FROM event_log el
+				LEFT JOIN midnight_shots ms USING (sequence, point)
+			WHERE
+				'{LDSP,FDSP}'::text[] && el.labels -- &&: Do the arrays overlap?
+				AND ms.sequence IS NULL
+		);
 	$$;
 
 	COMMENT ON PROCEDURE log_midnight_shots (date, date)