Migrate from stow to dm theme manager

Move all config files from .config/ into themes/dracula/.config/ so the
dm tool can manage them as file-level symlinks. Removes .bak file.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.config/hypr/config/decorations.conf

@@ -1,24 +0,0 @@
-# ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
-# ┃                    Decorations Configuration                ┃
-# ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
-
-source = ~/.config/hypr/config/colors.conf
-
-# https://wiki.hyprland.org/Configuring/Variables/#decoration
-
-decoration {
-    active_opacity = 1
-    rounding = 4
-
-    # https://wiki.hyprland.org/Configuring/Variables/#blur
-    blur {
-        size = 15
-        passes = 2 # more passes = more resource intensive.
-        xray = true
-    }
-
-    # https://wiki.hyprland.org/Configuring/Variables/#shadow
-    shadow {
-        enabled = false
-    }
-}