Update directory.json

directory.json

 {
 "weho.st" : "https://weho.st/librehost.json",
 "Petites Singularités" : "https://ps.lesoiseaux.io/librehost.json",
-"lain haus" : "https://lain.haus/librehost.json",
+"lain haus" : "https://lain.haus/librehost.json"
 }
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