replace serde with miniserde

peach-stats/src/error.rs

@@ -2,7 +2,6 @@ use std::{error, io};
 
 use jsonrpc_core::{types::error::Error, ErrorCode};
 use probes::ProbeError;
-use serde_json::Error as SerdeError;
 use snafu::Snafu;
 
 pub type BoxError = Box<dyn error::Error>;
@@ -24,9 +23,6 @@ pub enum StatError {
 
     #[snafu(display("Failed to retrieve system uptime: {}", source))]
     ReadUptime { source: io::Error },
-
-    #[snafu(display("JSON serialization failed: {}", source))]
-    SerdeSerialize { source: SerdeError },
 }
 
 impl From<StatError> for Error {
@@ -57,11 +53,6 @@ impl From<StatError> for Error {
                 message: format!("Failed to retrieve system uptime: {}", source),
                 data: None,
             },
-            StatError::SerdeSerialize { source } => Error {
-                code: ErrorCode::ServerError(-32002),
-                message: format!("JSON serialization failed: {}", source),
-                data: None,
-            },
         }
     }
 }