vendor dir is not accessible before install, sqlite db dir write check moved into db class

check_setup.php

@@ -5,11 +5,6 @@ if (! is_writable('cache')) {
     die('The directory "cache" must be writeable by your web server user');
 }
 
-// Check if /db is writeable
-if (! is_writable('db') && STORAGE === 'sqlite') {
-    die('The directory "db" must be writeable by your web server user');
-}
-
 // install folder still present, need to install wallabag
 if (is_dir('install')) {
     require('install/index.php');