org-manual: Use .dir-locals instead of file local variables

* .dir-locals.el (org-mode): Update settings.
* doc/org-manual.org (Local variables): Remove.

.dir-locals.el

@@ -8,10 +8,13 @@
   (sentence-end-double-space . t))
  (org-mode
   (indent-tabs-mode)
-  (org-edit-src-content-indentation . 0)
   (org-adapt-indentation)
-  (org-list-description-max-indent . 5)
-  (org-hide-emphasis-markers . nil)))
+  (org-edit-src-content-indentation . 0)
+  (org-footnote-auto-label . t)
+  (org-footnote-define-inline . nil)
+  (org-footnote-section . "Footnotes")
+  (org-hide-emphasis-markers . nil)
+  (org-list-description-max-indent . 5)))
 
 
 

doc/org-manual.org

@@ -21391,12 +21391,3 @@ forced to produce file results.  This is seldom desired behavior, so
 it is recommended to set this header only on a per-block basis.  It is
 possible that this aspect of the implementation might change in the
 future.
-
-
-* Local variables                                                  :noexport:
-
-# Local Variables:
-# org-footnote-section: "Footnotes"
-# org-footnote-define-inline: nil
-# org-footnote-auto-label: t
-# End: