fix(object_store): remove read code per clippy

Author: kyle-mccarthy

object_store/src/client/retry.rs

@@ -78,31 +78,6 @@ impl Error {
             Self::Reqwest { .. } => None,
         }
     }
-
-    pub(crate) fn error(self, store: &'static str, path: String) -> crate::Error {
-        match self.status() {
-            Some(StatusCode::NOT_FOUND) => crate::Error::NotFound {
-                path,
-                source: Box::new(self),
-            },
-            Some(StatusCode::NOT_MODIFIED) => crate::Error::NotModified {
-                path,
-                source: Box::new(self),
-            },
-            Some(StatusCode::PRECONDITION_FAILED) => crate::Error::Precondition {
-                path,
-                source: Box::new(self),
-            },
-            Some(StatusCode::CONFLICT) => crate::Error::AlreadyExists {
-                path,
-                source: Box::new(self),
-            },
-            _ => crate::Error::Generic {
-                store,
-                source: Box::new(self),
-            },
-        }
-    }
 }
 
 impl From<Error> for std::io::Error {