Simplify LNURL Auth by removing Websockets

Author: wvanlint

Cargo.toml

@@ -13,7 +13,7 @@ build = "build.rs"
 
 [dependencies]
 prost = "0.11.6"
-reqwest = { version = "0.11.13", default-features = false, features = ["rustls-tls"] }
+reqwest = { version = "0.11.13", default-features = false, features = ["rustls-tls", "json"] }
 tokio = { version = "1", default-features = false, features = ["time"] }
 rand = "0.8.5"
 bitcoin = "0.31.1"