hyprland: Update device config with new syntax

tree/.config/hypr/hyprland.conf.tpl

@@ -46,7 +46,8 @@ input {
 }
 
 # DIY keyboard config
-device:tux-tangentbord1 {
+device {
+    name = tux-tangentbord1
     kb_layout = us
     kb_variant =
     kb_model =
@@ -120,12 +121,6 @@ gestures {
     workspace_swipe = on
 }
 
-# Example per-device config
-# See https://wiki.hyprland.org/Configuring/Keywords/#executing for more
-device:epic-mouse-v1 {
-    sensitivity = -0.5
-}
-
 # See https://wiki.hyprland.org/Configuring/Window-Rules/
 windowrule=float,title:Volume
 windowrule=size 300 100,title:Volume