Remove array from usage statistics

src/invidious.cr

@@ -136,14 +136,12 @@ if config.statistics_enabled
         },
         "openRegistrations" => config.registration_enabled,
         "usage"             => {
-          {
           "users" => {
             "total"          => PG_DB.query_one("SELECT count(*) FROM users", as: Int64),
             "activeHalfyear" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64),
             "activeMonth"    => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64),
           },
         },
-        },
         "metadata" => {
           "updatedAt"              => Time.now.to_unix,
           "lastChannelRefreshedAt" => PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0,