Remove redundant save of point and mark

`org-with-point-at` will do this already (at least for point).

site-lisp/db-org.el

@@ -748,9 +748,8 @@ in an Org Mode buffer or when the clock is not active."
     (user-error "Not in Org Mode, aborting"))
   (unless org-clock-marker
     (user-error "No clocked-in task, aborting"))
-  (save-mark-and-excursion
-    (org-with-point-at org-clock-marker
-      (org-store-link nil t)))
+  (org-with-point-at org-clock-marker
+    (org-store-link nil t))
   (pcase-let ((`(,location ,description) (cl-first org-stored-links)))
     (org-insert-link nil location description)))