Update wekan/releases/up.sh script: Can not build ppc64le version because

OpenPower Minicloud is having emergency maintenance.

Thanks to xet7 !

releases/up.sh

@@ -2,8 +2,12 @@
 
 sudo apt-get -y install parallel
 
+# Can not build ppc64le version because
+# OpenPower Minicloud is having
+# emergency maintenance.
+#  ~/repos/wekan/releases/up-o.sh $1
+
 {
   ~/repos/wekan/releases/up-a.sh $1
   ~/repos/wekan/releases/up-s.sh $1
-  ~/repos/wekan/releases/up-o.sh $1
 } | parallel -k