fix(src/types/traits/convert_trait): Remove unneeded imports

src/types/traits/convert_trait.rs

@@ -23,14 +23,9 @@
 use crate::types::error::{self, TypeConversionError};
 use log::warn;
 use std::{
-    error::Error,
     ffi::{c_char, CString},
-    mem::ManuallyDrop,
-    ptr,
 };
 
-use super::errno;
-
 /// Convert a value into a data structure that we can send directly to c.
 pub trait Convertible
 where