chore: remove unused dependencies

Author: PlexSheep

Cargo.toml

@@ -15,9 +15,7 @@ repository = "https://github.com/PlexSheep/kauma"
 [dependencies]
 getopts = "0.2"
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 daemonize = "0.5"
-rusqlite = "0.32.1"
 bincode = "1.3.3"
 flagset = { version = "0.4.6", features = ["serde"] }