misc: Remove unnecessary clippy directives

Clippy passes fine without these.

Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>

vmm/src/api/mod.rs

@@ -232,7 +232,6 @@ pub enum ApiResponsePayload {
 /// This is the response sent by the VMM API server through the mpsc channel.
 pub type ApiResponse = std::result::Result<ApiResponsePayload, ApiError>;
 
-#[allow(clippy::large_enum_variant)]
 #[derive(Debug)]
 pub enum ApiRequest {
     /// Create the virtual machine. This request payload is a VM configuration

vmm/src/gdb.rs

@@ -435,7 +435,6 @@ impl run_blocking::BlockingEventLoop for GdbEventLoop {
     type Connection = Box<dyn ConnectionExt<Error = std::io::Error>>;
     type StopReason = MultiThreadStopReason<ArchUsize>;
 
-    #[allow(clippy::type_complexity)]
     fn wait_for_stop_reason(
         target: &mut Self::Target,
         conn: &mut Self::Connection,

vmm/src/lib.rs

@@ -82,7 +82,6 @@ type GuestRegionMmap = vm_memory::GuestRegionMmap<AtomicBitmap>;
 
 /// Errors associated with VMM management
 #[derive(Debug, Error)]
-#[allow(clippy::large_enum_variant)]
 pub enum Error {
     /// API request receive error
     #[error("Error receiving API request: {0}")]