Waybar: Bring back full pkill (workaround)

`pkill -SIGRTMIN+8 waybar` still doesn't work at all, bringing back
complete pkill for waybar. At least it works.

.config/waybar/config.jsonc

@@ -3,7 +3,6 @@
     "position": "top",
     "height": 30,
     "spacing": 2,
-    "ipc": true,
     "modules-left": [
         "clock",
 	"custom/weather",
@@ -93,9 +92,8 @@
 	"interval": "3600",
 	"return-type": "json",
 	"exec": "$HOME/.config/waybar/scripts/checkupdates",
-	"exec-if": "exit 0",
 	"signal": 8,
-	"on-click": "foot paru; pkill -SIGRTMIN+8 waybar"
+	"on-click": "foot paru; pkill waybar; waybar &"
     },
     "custom/weather": {
         "exec": "curl -s 'https://wttr.in/?format=1' | sed 's/  \\+/ /g'",