remove unneeded struct

src/common.rs

@@ -1,21 +1,5 @@
 use colored::Colorize;
 
-pub enum ExitCode {
-  ParseError = 2,
-  FilesystemError = 3,
-  RepositoryError = 4,
-  RemoteError = 5,
-  PushError = 6,
-  FetchError = 7,
-  ConfigError = 8,
-  HaltError = 130,
-}
-
-pub struct ReturnData {
-  pub code: ExitCode,
-  pub msg: String,
-}
-
 pub fn error(msg: String) {
   eprintln!("{} {}", "error:".red().bold(), msg);
 }