babel: org: Delete unnecessary language-specific expansion function

    * ob-org.el (org-babel-expand-body:org): Delete
    function (automatically handled by generic version)

lisp/ob-org.el

@@ -41,9 +41,6 @@
   "#+TITLE: default empty header\n"
   "Default header inserted during export of org blocks.")
 
-(defun org-babel-expand-body:org (body params)
-  "Expand BODY according to PARAMS, return the expanded body." body)
-
 (defun org-babel-execute:org (body params)
   "Execute a block of Org code with.
 This function is called by `org-babel-execute-src-block'."