Remove unused deps

Author: sd2k

Cargo.lock

@@ -8,24 +8,19 @@ authors = [
 ]
 
 [dependencies]
-base64 = "0.13.0"
 bytes = "1.1.0"
 chrono = "0.4.19"
-futures-core = "0.3.21"
 futures-util = "0.3.21"
 grafana-plugin-sdk = "0.2.0"
 http = "0.2.6"
 md5 = "0.7.0"
-rand = "0.8.5"
 rust_decimal = { version = "1.22.0", features = ["db-tokio-postgres"] }
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = "1.0.79"
-serde_with = "1.12.0"
+serde_with = "2.0.0"
 thiserror = "1.0.30"
 tokio = { version = "1.17.0", features = ["rt-multi-thread", "time"] }
 tokio-postgres = { version = "0.7.5", features = ["with-chrono-0_4", "with-serde_json-1"] }
-tokio-stream = "0.1.8"
-tonic = "0.6.2"
 tracing = "0.1.31"
 
 [features]