moving ftue ems url to the urls config file

vector-config/src/main/res/values/urls.xml

@@ -3,4 +3,5 @@
     <!-- This file contains url values-->
 
     <string name="threads_learn_more_url" translatable="false">https://element.io/help#threads</string>
+    <string name="ftue_ems_url">https://element.io/ems</string>
 </resources>

vector/src/main/res/values/donottranslate.xml

@@ -25,7 +25,6 @@
     <string name="ftue_auth_choose_server_entry_footer">You can only connect to a server that has already been set up</string>
     <string name="ftue_auth_choose_server_ems_title">Want to host your own server?</string>
 
-    <string name="ftue_ems_url">https://element.io/ems</string>
     <string name="ftue_auth_choose_server_ems_subtitle">Element Matrix Services (EMS) is a robust and reliable hosting service for fast, secure and real time communication. Find out how on <a href="${ftue_ems_url}">element.io/ems</a></string>
     <string name="ftue_auth_choose_server_ems_cta">Get in touch</string>