org-table: Remove `org-table-relative-ref-may-cross-hline'

* lisp/org-table.el (org-table-relative-ref-may-cross-hline): Remove
  variable.

* etc/ORG-NEWS: Document removal.

This variable was declared obsolete in August 2009.  See
2cc99fbb0a1c067235d7425031d8ffddc0668a53.

etc/ORG-NEWS

@@ -146,7 +146,9 @@ removed.
 *** Removed option ~org-koma-letter-use-title~
 Use org-export-with-title instead.  See also below.
 *** Removed option ~org-entities-ascii-explanatory~
-This variable had no effect since Org 8.0.
+This variable has no effect since Org 8.0.
+*** Removed option ~org-table-relative-ref-may-cross-hline~
+This variable has no effect since August 2009.
 *** Removed MathML-related options from ~org-html-mathjax-options~
 MathJax automatically chooses the best display technology based on the
 end-users browser.  You may force initial usage of MathML via

lisp/org-table.el

@@ -330,11 +330,6 @@ Automatically means when TAB or RET or C-c C-c are pressed in the line."
   :group 'org-table-calculation
   :type 'boolean)
 
-(defcustom org-table-error-on-row-ref-crossing-hline t
-  "OBSOLETE VARIABLE, please see `org-table-relative-ref-may-cross-hline'."
-  :group 'org-table
-  :type 'boolean)
-
 (defcustom org-table-relative-ref-may-cross-hline t
   "Non-nil means relative formula references may cross hlines.
 Here are the allowed values: