Update sxhkd to use the KDE screen locker direct

Required change for 21.10

desktop-gruvbox/.config/polybar/config

@@ -306,10 +306,6 @@ label-indicator-on-capslock = 
 label-indicator-on-capslock-padding = 4
 label-indicator-on-capslock-background = ${res/colors.yellow}
 label-indicator-on-capslock-foreground = ${res/colors.black}
-label-indicator-off-numlock = 
-label-indicator-off-numlock-padding = 4
-label-indicator-off-numlock-background = ${res/colors.yellow}
-label-indicator-off-numlock-foreground = ${res/colors.black}
 
 [module/xwindow]
 type = internal/xwindow

desktop-gruvbox/.config/sxhkd/sxhkdrc

@@ -12,7 +12,7 @@ alt + Tab
 alt + Escape
 	pkill -USR1 -x sxhkd
 ctrl + alt + l
-	loginctl lock-session
+	/usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet
 
 ## APPLICATION TOGGLES
 alt + p