Kardorf: make use of new modules

modules/home/i3/i3/config-kardorf

@@ -29,7 +29,7 @@ bindsym XF86AudioMicMute exec --no-startup-id pactl set-source-mute @DEFAULT_SOU
 floating_modifier $mod
 
 # start a terminal
-bindsym $mod+Return exec alacritty
+bindsym $mod+Return exec kitty
 
 # kill focused window
 bindsym $mod+Shift+q kill
@@ -214,10 +214,9 @@ bindsym $mod+Print exec --no-startup-id "xfce4-screenshooter"
 
 bindsym $mod+c exec qalculate-gtk
 bindsym $mod+Shift+p exec xwacomcalibrate
-bindsym $mod+e exec thunar
+bindsym $mod+e exec pcmanfm
 bindsym $mod+Shift+c exec $scripts/jupyter-calculator
 bindsym $mod+b exec firefox
-bindsym $mod+u exec pamac-manager
 bindsym $mod+p exec $scripts/display-toggle-mirror
 
 workspace_auto_back_and_forth yes