Disable in Info-read-node-name

Fixes #39.

ido-ubiquitous.el

@@ -302,7 +302,9 @@ You can restore these using the command `ido-ubiquitous-restore-default-override
     (disable exact "org-iswitchb-completing-read")
     (disable exact "org-icompleting-read")
     ;; https://github.com/DarwinAwardWinner/ido-ubiquitous/issues/38
-    (enable exact "read-char-by-name"))
+    (enable exact "read-char-by-name")
+    ;; https://github.com/DarwinAwardWinner/ido-ubiquitous/issues/39
+    (disable exact "Info-read-node-name"))
   "Default value of `ido-ubiquitous-function-overrides'.
 
 You can restore these using the command `ido-ubiquitous-restore-default-overrides'.")