trees: remove redundant space in printf

Signed-off-by: Leah Rowe <leah@libreboot.org>

script/trees

@@ -53,7 +53,7 @@ main()
 	[ "$target1" = "utils" ] && [ "$project" = "coreboot" ] && return 0
 
 	[ -f "$listfile" ] || return 0
-	[ -z "$mode" ] && printf "\n\nDone! Check  %s/\n\n" "$elfdir"; return 0
+	[ -z "$mode" ] && printf "\n\nDone! Check %s/\n\n" "$elfdir"; return 0
 }
 
 build_projects()