refactor: move DOOM out to the mtkports ports tree

Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_018Ae69wJS7sueQMUwNxV3nX

scripts/install_apps.sh

@@ -16,7 +16,6 @@ ICON_SRC="$PROJECT_ROOT/programs/gui/icons/Flat-Remix-Blue-Light-darkPanel"
 # The binary is already built by each app's Makefile into bin/apps/<name>/
 APPS=(
     "2048|categories/scalable/2048.svg"
-    "doom|apps/scalable/doom.svg"
     "spreadsheet|mimetypes/scalable/spreadsheet.svg"
     "wordprocessor|apps/scalable/libreoffice6.0-writer.svg"
     "weather|apps/scalable/weather-widget.svg"
@@ -54,6 +53,11 @@ for entry in "${APPS[@]}"; do
     app_dir="$BIN/apps/$name"
     mkdir -p "$app_dir"
 
+    # This bundle is in-tree. If an out-of-tree port previously claimed the
+    # same name, drop its marker so the release step does not mistake this
+    # for a port and prune it from the ISO.
+    rm -f "$app_dir/.port"
+
     # Copy manifest
     manifest="$SRC/$name/manifest.toml"
     if [ -f "$manifest" ]; then