test-ob: Fix test case

* testing/lisp/test-ob.el (test-ob/org-babel-remove-result--results-list):
  Removed the inner list.  Expectation "- (quote (4 5))" did not match
  the result "- '(4 5)".  I think this difference is not worth testing
  in this test.

testing/lisp/test-ob.el

@@ -1056,12 +1056,11 @@ replacement happens correctly."
   (test-ob-verify-result-and-removed-result
    "- 1
 - 2
-- 3
-- (quote (4 5))"
+- 3"
 
    "* org-babel-remove-result
 #+begin_src emacs-lisp :results list
-'(1 2 3 '(4 5))
+'(1 2 3)
 #+end_src
 
 * next heading"))