Align error implementation with current best practices

Author: eldruin

src/error.rs

@@ -17,15 +17,6 @@ pub enum Error {
 }
 
 impl ::std::error::Error for Error {
-    fn description(&self) -> &str {
-        match *self {
-            Error::Io(ref e) => e.description(),
-            Error::Unexpected(_) => "An Unexpected Error Occurred",
-            Error::InvalidPath(_) => "A Provided Path was invalid",
-            Error::Unsupported(_) => "Operation is not supported on target os",
-        }
-    }
-
     fn cause(&self) -> Option<&dyn std::error::Error> {
         match *self {
             Error::Io(ref e) => Some(e),