qutebrowser: Remove xdg-utils dependency from recently-downloaded

First uses the 'open' command if there is one, then the 'mimeo' command
and only then falls back to 'xdg-open'.

qutebrowser/scripts/recently-downloaded

@@ -100,19 +100,14 @@ if [ -z "$line" ]; then
 	exit 0
 fi
 
-msg info "file is $line"
 path="$DOWNLOAD_DIR/$line"
-filetype=$(xdg-mime query filetype "$path")
-application=$(xdg-mime query default "$filetype")
 
-if [ -z "$application" ]; then
-	die "Do not know how to open »$line« of type $filetype"
-fi
+msg info "Opening »$line«."
 
-msg info "Opening »$line« (of type $filetype) with ${application%.desktop}"
-
-if type open >/dev/null 2>&1; then
+if command -v open >/dev/null 2>&1; then
 	open "$path" &
+elif command -v mimeo >/dev/null 2>&1; then
+	mimeo "$path" &
 else
 	xdg-open "$path" &
 fi