remove ability to set hostname as no longer needed. Hard code llmnrd name as 'docker'

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

alpine/packages/hostsettings/etc/init.d/hostsettings

@@ -3,13 +3,12 @@
 description="Configuring settings from database."
 
 depend() {
-	before hostname sysctl
+	before sysctl
 }
 
 start() {
 	ebegin "Configuring host settings from database"
 
-	mobyconfig exists etc/hostname && echo $(mobyconfig get etc/hostname) > /etc/hostname
 	mobyconfig exists etc/sysctl.conf && mobyconfig get etc/sysctl.conf > /etc/sysctl.conf
 
         eend 0