fixed bugs and small changes

.xmonad/xmonad.hs

@@ -509,9 +509,6 @@ myManageHook = composeAll
 --
 -- By default, do nothing.
 myStartupHook = do
-  spawnOnce "nitrogen --restore &"
-  spawnOnce "picom -b &"
-  spawnOnce "light-locker &"
   --  spawn once not necessary here, since the launch script takes care of multiple instances
   spawn "~/.config/polybar/launch.sh" 
   spawnOnce "redshift ~/.config/redshift/redshift.conf &"
@@ -519,7 +516,6 @@ myStartupHook = do
   spawnOnce "sleep 2 && nextcloud &"
   --spawnOnce "xscreensaver -nosplash &"
   spawnOnce "flameshot &"
-  spawnOnce "xfce4-power-manager &"
 	
   -- spawn startup programs at specific workspaces