Revert "HELP-21493 respond 503 when there is no ecallmgr" (#82)

freeswitch/dialplan/no_ecallmgr.xml

@@ -1,9 +0,0 @@
-<include>
-<context name="context_2">
-    <extension name="no_ecallmgr">
-      <condition field="destination_number" expression="^(.*)$">
-        <action application="respond" data="503"/>
-      </condition>
-    </extension>
-</context>
-</include>