database: drop serde_json with tokio-postgres's with-serde_json-1 feature, as unused

Author: klensy

Cargo.lock

@@ -7,9 +7,8 @@ edition = "2021"
 [dependencies]
 hashbrown = { version = "0.14", features = ["serde"] }
 serde = { version = "1", features = ["derive"] }
-serde_json = "1"
 rusqlite = { version = "0.28", features = ["bundled"] }
-tokio-postgres = { version = "0.7", features = ["with-serde_json-1", "with-chrono-0_4", "runtime"] }
+tokio-postgres = { version = "0.7", features = ["with-chrono-0_4", "runtime"] }
 anyhow = "1"
 async-trait = "0.1"
 tokio = { version = "1.6", features = ["sync", "macros"] }