fix(cargo-contract): rename removed_code_hash in remove command

This commit renames the field removed_code_hash to just code_hash in the remove command output to keep it consistent with between json output and human readable output

Signed-off-by: Tarek <tareknaser360@gmail.com>

crates/cargo-contract/src/cmd/remove.rs

@@ -77,7 +77,7 @@ impl RemoveCommand {
                 // Create a JSON object with the events and the removed code hash.
                 let json_object = serde_json::json!({
                     "events": serde_json::from_str::<serde_json::Value>(&output_events)?,
-                    "removed_code_hash": remove_result,
+                    "code_hash": remove_result,
                 });
                 let json_object = serde_json::to_string_pretty(&json_object)?;
                 println!("{}", json_object);