chore: Remove base64 dependency from Cargo.toml

- Removed base64 dependency from the workspace
- Eliminated base64 from the members list in Cargo.toml

Cargo.toml

@@ -14,7 +14,6 @@ ahash = "0.8.6"
 anyhow = { workspace = true }
 anymap = "1.0.0-beta.2"
 base32ct = { version = "0.2.0", features = ["std"] }
-base64 = { workspace = true }
 base-x = "0.2.11"
 bellpepper = { workspace = true }
 bellpepper-core = { workspace = true }
@@ -119,7 +118,6 @@ members = ["lurk-macros", "lurk-metrics"]
 [workspace.dependencies]
 abomonation = "0.7.3"
 anyhow = "1.0.72"
-base64 = "0.13.1"
 bellpepper = { git = "https://github.com/lurk-lab/bellpepper", branch = "dev" }
 bellpepper-core = { git = "https://github.com/lurk-lab/bellpepper", branch = "dev" }
 bincode = "1.3.3"