icinga2: Remove command definition of 'uptime' check

  Check isn't used anymore and new Icinga2 upstream version ships with a
  command defintion anyway.

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

icinga2/commands.d/nagios-plugins-contrib.conf

@@ -17,20 +17,6 @@ object CheckCommand "memory" {
 	vars.memory.unit = "M"
 }
 
-### Uptime-Check
-object CheckCommand "uptime" {
-	import "plugin-check-command"
-	command = [ PluginDir + "/check_uptime" ]
-	arguments = {
-		"-T" = "$uptime_T$"
-		"-w" = "$uptime_w$"
-		"-c" = "$uptime_c$"
-		"-f" = "$uptime_f$"
-		"-P" = "$uptime_P$"
-		"-t" = "$uptime_t$"
-	}
-}
-
 ### libs-Check
 object CheckCommand "libs" {
 	import "plugin-check-command"