libs/kaptan-mavlink: fix invalid dialect bug

Signed-off-by: Onur Özkan <work@onurozkan.dev>

libs/kaptan-mavlink/Cargo.toml

@@ -16,9 +16,6 @@ dialect-kaptan = []
 [dependencies]
 mavlink = { version = "0.18", default-features = false, features = ["embedded", "dialect-common"] }
 mavlink-core = { version = "0.18", default-features = false, features = ["embedded"] }
-bitflags = "2"
-num-derive = "0.4"
-num-traits = "0.2"
 
 [build-dependencies]
 kaptan-spec = { path = "../kaptan-spec", features = ["std"] }