Remove org-R from org-modules.

lisp/ChangeLog

@@ -14,6 +14,7 @@
 	(org-hide-emphasis-markers): Change Customize group variable name
 	(org-emphasis-alist): Change Customize group variable name
 	(org-emphasis-regexp-components): Change Customize group variable name
+	(org-modules): Remove mention of org-R
 
 	* org-faces.el (org-faces): Change Customize group variable name
 

lisp/org.el

@@ -230,7 +230,6 @@ to add the symbol `xyz', and the package must have a call to
 	(const :tag "C  man:               Support for links to manpages in Org-mode" org-man)
 	(const :tag "C  mtags:             Support for muse-like tags" org-mtags)
 	(const :tag "C  panel:             Simple routines for us with bad memory" org-panel)
-	(const :tag "C  R:                 Computation using the R language" org-R)
 	(const :tag "C  registry:          A registry for Org-mode links" org-registry)
 	(const :tag "C  org2rem:           Convert org appointments into reminders" org2rem)
 	(const :tag "C  screen:            Visit screen sessions through Org-mode links" org-screen)