[host/Cargo.toml] removed some unused dependencies from host's Cargo.toml

- serde*
- lazy_static

I also removed HyperlightHostError, which is now unused.

Signed-off-by: danbugs <[email protected]>

Author: danbugs

Cargo.lock

@@ -30,9 +30,6 @@ flatbuffers = "25.2.10"
 page_size = "0.6.0"
 termcolor = "1.2.0"
 bitflags = "2.9.0"
-lazy_static = "1.4.0"
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
 log = "0.4.27"
 tracing = { version = "0.1.41", features = ["log"] }
 tracing-log = "0.2.0"
@@ -43,7 +40,6 @@ crossbeam = "0.8.0"
 crossbeam-channel = "0.5.15"
 thiserror = "2.0.12"
 tempfile = { version = "3.19", optional = true }
-serde_yaml = "0.9"
 anyhow = "1.0"
 metrics = "0.24.2"
 
@@ -104,11 +100,13 @@ tracing-chrome = "0.7.2"
 metrics-util = "0.19.1"
 metrics-exporter-prometheus = "0.17.0"
 tracing-tracy = "0.11.4"
+serde_json = "1.0"
 
 [target.'cfg(windows)'.dev-dependencies]
 windows = { version = "0.61", features = [
     "Win32_System_Diagnostics_ToolHelp",
 ] }
+lazy_static = "1.4.0"
 
 [target.'cfg(unix)'.dev-dependencies]
 proc-maps = "0.4.0"

src/hyperlight_host/Cargo.toml

@@ -34,21 +34,13 @@ use crossbeam_channel::{RecvError, SendError};
 use flatbuffers::InvalidFlatbuffer;
 use hyperlight_common::flatbuffer_wrappers::function_types::{ParameterValue, ReturnValue};
 use hyperlight_common::flatbuffer_wrappers::guest_error::ErrorCode;
-use serde::{Deserialize, Serialize};
-use serde_yaml;
 use thiserror::Error;
 
 #[cfg(target_os = "windows")]
 use crate::hypervisor::wrappers::HandleWrapper;
 use crate::mem::memory_region::MemoryRegionFlags;
 use crate::mem::ptr::RawPtr;
 
-#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
-pub(crate) struct HyperlightHostError {
-    pub(crate) message: String,
-    pub(crate) source: String,
-}
-
 /// The error type for Hyperlight operations
 #[derive(Error, Debug)]
 pub enum HyperlightError {
@@ -294,10 +286,6 @@ pub enum HyperlightError {
     #[cfg(target_os = "windows")]
     #[error("Windows API Error Result {0:?}")]
     WindowsAPIError(#[from] windows_result::Error),
-
-    /// Conversion of str to YAML failed
-    #[error("Conversion of str data to yaml failed")]
-    YamlConversionFailure(#[from] serde_yaml::Error),
 }
 
 impl From<Infallible> for HyperlightError {