Include only observer; runtime_tools is automatically added

mix.exs

@@ -150,8 +150,7 @@ defmodule Ejabberd.MixProject do
 
   defp cond_apps do
     for {:true, app} <- [{config(:stun), :stun},
-                         {config(:tools), :observer},
-                         {config(:tools), :runtime_tools}], do:
+                         {config(:tools), :observer}], do:
       app
   end
 

src/ejabberd.app.src.script

@@ -7,7 +7,7 @@
             _ -> []
         end,
         Tools = case lists:keyfind(tools, 1, Terms) of
-            {tools, true} -> [observer, runtime_tools]; % for `ejabberdctl etop`
+            {tools, true} -> [observer]; % for `ejabberdctl etop`
             _ -> []
         end,
         {[lists:keyfind(description, 1, Terms),