Deprecate Server#owner_id (now covered by #owner)
Deprecate Server#owner_id (now covered by #owner)

meew0/discordrb,VxJasonxV/discordrb,Roughsketch/discordrb,meew0/discordrb,megumisonoda/discordrb,Roughsketch/discordrb,VxJasonxV/discordrb,megumisonoda/discordrb,sarsntony/discordrb,sarsntony/discordrb