org-habit.el (org-habit-insert-consistency-graphs): Don't remove filter overlays

* org-habit.el (org-habit-insert-consistency-graphs): Don't
remove filter overlays as we don't use overlays for filters
anymore.

lisp/org-habit.el

@@ -351,14 +351,7 @@ current time."
   (let ((inhibit-read-only t) l c
 	(buffer-invisibility-spec '(org-link))
 	(moment (time-subtract (current-time)
-			       (list 0 (* 3600 org-extend-today-until) 0)))
-	disabled-overlays)
-    ;; Disable filters; this helps with alignment if there are links.
-    (mapc (lambda (ol)
-	    (when (overlay-get ol 'invisible)
-	      (overlay-put ol 'invisible nil)
-	      (setq disabled-overlays (cons ol disabled-overlays))))
-	  (overlays-in (point-min) (point-max)))
+			       (list 0 (* 3600 org-extend-today-until) 0))))
     (save-excursion
       (goto-char (if line (point-at-bol) (point-min)))
       (while (not (eobp))
@@ -374,9 +367,7 @@ current time."
 	      (time-subtract moment (days-to-time org-habit-preceding-days))
 	      moment
 	      (time-add moment (days-to-time org-habit-following-days))))))
-	(forward-line)))
-    (mapc (lambda (ol) (overlay-put ol 'invisible t))
-	  disabled-overlays)))
+	(forward-line)))))
 
 (defun org-habit-toggle-habits ()
   "Toggle display of habits in an agenda buffer."