migrations: Remove default for storage column

Signed-off-by: Tamino Bauknecht <dev@tb6.eu>

Author: taminob

core/Migrations/Version29000Date20231123170742.php

@@ -57,7 +57,6 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			$table->addColumn('storage', Types::BIGINT, [
 				'notnull' => true,
 				'length' => 20,
-				'default' => 0,
 			]);
 			$table->addColumn('path', Types::STRING, [
 				'notnull' => true,