settings: Set correct hostname for droplets in 18.04.
settings: Set correct hostname for droplets in 18.04.

https://chat.zulip.org/#narrow/stream/3-backend/topic/droplet.20hostname

zulip/zulip,showell/zulip,shubhamdhama/zulip,shubhamdhama/zulip,punchagan/zulip,kou/zulip,rht/zulip,showell/zulip,hackerkid/zulip,kou/zulip,andersk/zulip,brainwane/zulip,hackerkid/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,rht/zulip,brainwane/zulip,synicalsyntax/zulip,synicalsyntax/zulip,hackerkid/zulip,eeshangarg/zulip,timabbott/zulip,synicalsyntax/zulip,eeshangarg/zulip,eeshangarg/zulip,synicalsyntax/zulip,zulip/zulip,punchagan/zulip,zulip/zulip,shubhamdhama/zulip,eeshangarg/zulip,brainwane/zulip,andersk/zulip,rht/zulip,showell/zulip,showell/zulip,hackerkid/zulip,shubhamdhama/zulip,andersk/zulip,punchagan/zulip,brainwane/zulip,rht/zulip,shubhamdhama/zulip,andersk/zulip,shubhamdhama/zulip,hackerkid/zulip,shubhamdhama/zulip,timabbott/zulip,timabbott/zulip,timabbott/zulip,hackerkid/zulip,rht/zulip,rht/zulip,eeshangarg/zulip,andersk/zulip,zulip/zulip,kou/zulip,synicalsyntax/zulip,showell/zulip,punchagan/zulip,punchagan/zulip,punchagan/zulip,showell/zulip,eeshangarg/zulip,kou/zulip,punchagan/zulip,brainwane/zulip,rht/zulip,timabbott/zulip,timabbott/zulip,brainwane/zulip,showell/zulip,synicalsyntax/zulip,brainwane/zulip,kou/zulip,synicalsyntax/zulip,zulip/zulip,zulip/zulip,zulip/zulip,kou/zulip,hackerkid/zulip,andersk/zulip,timabbott/zulip