Move XEPs which have LCs from previous council to Deferred

It makes no sense to re-issue the LC for this council, it won’t
end properly anyway.

xep-0292.xml

@@ -10,7 +10,7 @@
   <abstract>This document specifies an XMPP extension for use of the vCard4 XML format in XMPP systems, with the intent of obsoleting the vcard-temp format.</abstract>
   &LEGALNOTICE;
   <number>0292</number>
-  <status>Proposed</status>
+  <status>Deferred</status>
   <lastcall>2019-02-19</lastcall>
   <type>Standards Track</type>
   <sig>Standards</sig>

xep-0353.xml

@@ -10,7 +10,7 @@
   <abstract>This specification provides a way for the initiator of a Jingle session to propose sending an invitation in an XMPP message stanza, thus taking advantage of message delivery semantics instead of sending IQ stanzas to all of the responder's online resources or choosing a particular online resource.</abstract>
   &LEGALNOTICE;
   <number>0353</number>
-  <status>Proposed</status>
+  <status>Deferred</status>
   <lastcall>2019-08-13</lastcall>
   <type>Standards Track</type>
   <sig>Standards</sig>