Revert "Exclude NOTEs as refile targets"

Excluding NOTEs as refile targets also excludes them as jump targets for C-u C-c
C-w, which is bad.  Better move all NOTEs out of the main task list into a
separate notes.org or something.

This reverts commit 90b6e91051.

site-lisp/db-org.el

@@ -297,9 +297,7 @@ tag PERIODIC."
   (and
    ;; Exclude DONE state tasks from refile targets (from bh)
    (not (member (nth 2 (org-heading-components))
-                org-done-keywords))
-   ;; Do not refile to NOTEs, as those are meant to keep information, not tasks
-   (not (member "NOTE" (org-get-tags)))))
+                org-done-keywords))))
 
 
 ;;; Reset checklists