display-managers: use timeout-kill instead of timeout-up

thanks @Obarun for the review/bug report!

Author: mobinmob

usr/share/66/service/lxdm

@@ -4,7 +4,7 @@
 @version = 0.0.3
 @user = ( root )
 @depends = ( dbus )
-@timeout-up = 3000
+@timeout-kill = 3000
 
 [start]
 @execute = ( lxdm )

usr/share/66/service/sddm

@@ -4,7 +4,7 @@
 @description = "sddm daemon"
 @user = ( root )
 @depends = ( dbus )
-@timeout-up = 3000
+@timeout-kill = 3000
 
 [start]
 @execute = (

usr/share/66/service/xdm

@@ -4,7 +4,7 @@
 @version = 0.0.2
 @user = ( root )
 @depends = ( dbus ) # if the user does not need dbus running, this line can be commented out or ommited
-@timeout-up = 3000
+@timeout-kill = 3000
 
 [start]
 @execute = ( execl-cmdline -s { xdm -nodaemon ${cmd_args} } )