Update wm peek to use animations

Instead of updating the padding through a loop, just change the padding and let picom handle the animation

.config/bin/wm

@@ -89,18 +89,10 @@ peek ()
     case $1 in
         left|right)
             if [ `bspc config -d focused $1_padding` -gt 0 ]; then
-                start=500
-                step=-20
-                end=0
+                bspc config -d focused $1_padding 0
             else
-                start=0
-                step=20
-                end=500
+                bspc config -d focused $1_padding 500
             fi
-
-            for pad in `seq $start $step $end`; do
-                bspc config -d focused $1_padding $pad
-            done
             ;;
         *) usage;;
     esac