chore(client-lib): remove now unused dependencies

Author: Alenar

Cargo.lock

@@ -52,7 +52,6 @@ num-integer-backend = ["mithril-common/num-integer-backend"]
 
 [dependencies]
 anyhow = { workspace = true }
-async-recursion = { workspace = true }
 async-trait = { workspace = true }
 chrono = { workspace = true }
 flate2 = { version = "1.1.4", optional = true }
@@ -66,7 +65,6 @@ reqwest = { workspace = true, default-features = false, features = [
     "macos-system-configuration",
     "stream",
 ] }
-semver = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 slog = { workspace = true }