Switch everything using Terminus to DSM

I dropped ttf-terminus out of my loadout and sway broke. I prefer
standardizing on DSM at this point anyway.

Also remove a vestigal sway config directive.

.config/sway/config

@@ -19,7 +19,7 @@ set $base0F #a16946
 # %%base16_template_end%%
 
 # Global font config
-font pango:Terminus (TTF) 12
+font pango:DejaVu Sans Mono 11
 
 # Property Name         Border  BG      Text    Indicator Child Border
 client.focused          $base00 $base02 $base05 $base0D $base02
@@ -38,7 +38,7 @@ bar {
   status_command "~/bin/statusbar"
   position bottom
 
-  font pango:Terminus (TTF) 12
+  font pango:DejaVu Sans Mono 11
 
   colors {
     background $base00
@@ -54,10 +54,6 @@ bar {
   }
 }
 
-# Use Mouse+$mod to drag windows to their wanted position
-# This used to only work on floating windows in i3. In sway it's any mode
-floating_modifier $mod
-
 # start a terminal
 bindsym $mod+Return exec x-terminal-emulator