Delete dummy file

src/Tools/psxfileconv/src/lib.rs

@@ -56,6 +56,9 @@ pub fn run_subcommand(compress_lz4: bool, input_path: Option<PathBuf>, output_pa
             }
             SubCommands::Project(args)   => {
                 project::run_project(input, args, input_path, &output_path)?;
+                if let Some(file_path) = &output_path {
+                    let _result = std::fs::remove_file(file_path);
+                }
                 Ok(None)
             },
         }