sway: add rule for steam, clean up config a bit

.config/sway/config.common

@@ -14,6 +14,7 @@ assign [app_id="^claws-mail$"] 2
 assign [app_id="^nheko$"] 2
 assign [app_id="^transmission-remote-gtk$"] 5
 assign [app_id="^minigalaxy$"] 8
+assign [class="^steam"] 8
 
 input type:keyboard {
     xkb_variant nodeadkeys

.config/sway/config.keybinds

@@ -126,8 +126,6 @@ bindsym --release Print exec --no-startup-id grimsatty area
 bindsym --release control+Print exec --no-startup-id grimsatty output
 bindsym $mod+Shift+l exec --no-startup-id loginctl lock-session
 bindsym $mod+Shift+BackSpace exec --no-startup-id "loginctl suspend"
-#bindsym $mod+asciicircum exec dropdown-term
-#bindsym $mod+dead_circumflex exec dropdown-term
 #bindsym --release $mod+Delete exec xkill
 bindsym $mod+period exec dunstctl history-pop