refactor: remove unused methods and dependencies

1. Removed unused `unzip_file` and `download_file` methods from `utils/helper.rs`.
2. Removed `reqwest` and `zip` crates from `Cargo.toml`.

cli/rustfs-gui/src/components/home.rs

@@ -1,5 +1,5 @@
 use crate::components::navbar::LoadingSpinner;
-use crate::router::Route;
+use crate::route::Route;
 use crate::utils::{RustFSConfig, ServiceManager};
 use chrono::Datelike;
 use dioxus::logger::tracing::debug;

cli/rustfs-gui/src/components/navbar.rs

@@ -1,4 +1,4 @@
-use crate::router::Route;
+use crate::route::Route;
 use dioxus::logger::tracing::debug;
 use dioxus::prelude::*;