refactor: strip waybar icons, disable pseudotile/VFR, clean up configs

Waybar:
- Remove Nerd Font icons from battery, power, audio, media modules
- Switch power profile to text format, simplify all format strings
- Mango config: switch sway/* to hyprland/* modules, remove unused modules

Hyprland:
- Disable pseudotile and VFR

Sway:
- Fix clamshell script path (jozamudi -> work)
- Comment out gsettings, systemctl, dbus exec lines
- Delete unused env.sh script

Other:
- Delete nvim llm plugin and opencode coding-partner agent
- Delete Zoom and Nextcloud desktop entries
- Migrate Discord to Flatpak
- Rotate opencode API key
- Add extended-keys to tmux config
- Clear defaults.list

.config/hypr/hyprland.conf

@@ -196,7 +196,7 @@ animations {
 
 # See https://wiki.hypr.land/Configuring/Dwindle-Layout/ for more
 dwindle {
-    pseudotile = true # Master switch for pseudotiling. Enabling is bound to mainMod + P in the keybinds section below
+    #pseudotile = true # Master switch for pseudotiling. Enabling is bound to mainMod + P in the keybinds section below
     preserve_split = true # You probably want this
 }
 
@@ -209,7 +209,7 @@ master {
 misc {
     force_default_wallpaper = 0 # Set to 0 or 1 to disable the anime mascot wallpapers
     disable_hyprland_logo = true# If true disables the random hyprland logo / anime girl background. :(
-    vfr = true
+    #vfr = true
 }
 
 xwayland {