Remove extra Unicode fiddling from disco caps
Remove extra Unicode fiddling from disco caps

Turns out that things work as expected without going through the
extra trouble. (Generated & verified ver strings match between
stanza.io & SleekXMPP)

Tested Unicode handling with the venerable 💩 character.

glpenghui/stanza.io,otalk/stanza.io,soapdog/stanza.io,spunkydunker/stanza.io,spunkydunker/stanza.io,Palid/stanza.io,legastero/stanza.io,Palid/stanza.io,otalk/stanza.io,legastero/stanza.io,flavionegrao/stanza.io,rogervaas/stanza.io,soapdog/stanza.io,firdausramlan/stanza.io,glpenghui/stanza.io,firdausramlan/stanza.io,flavionegrao/stanza.io,rogervaas/stanza.io