refactor(jicofo): no need to check the hardcoded password

jicofo/rootfs/etc/cont-init.d/10-config

@@ -7,12 +7,6 @@ if [[ -z $JICOFO_AUTH_PASSWORD ]]; then
     exit 1
 fi
 
-OLD_JICOFO_AUTH_PASSWORD=passw0rd
-if [[ "$JICOFO_AUTH_PASSWORD" == "$OLD_JICOFO_AUTH_PASSWORD" ]]; then
-    echo 'FATAL ERROR: Jicofo auth password must be changed, check the README'
-    exit 1
-fi
-
 # maintain backward compatibility with older variable
 [ -z "${XMPP_HIDDEN_DOMAIN}" ] && export XMPP_HIDDEN_DOMAIN="$XMPP_RECORDER_DOMAIN"