Removes dead code

lib/src/error.rs

@@ -1,25 +1,6 @@
-use std::convert::Infallible;
 use std::error::Error;
 use std::io;
 
-/// Traits that allows unwrapping only infallible results
-pub trait UnwrapInfallible {
-    type Value;
-
-    fn unwrap_infallible(self) -> Self::Value;
-}
-
-impl<T> UnwrapInfallible for Result<T, Infallible> {
-    type Value = T;
-
-    fn unwrap_infallible(self) -> T {
-        match self {
-            Ok(value) => value,
-            Err(error) => match error {},
-        }
-    }
-}
-
 pub fn invalid_data_error(error: impl Into<Box<dyn Error + Send + Sync>>) -> io::Error {
     io::Error::new(io::ErrorKind::InvalidData, error)
 }