fix: clippy and rm old code

src/main.rs

@@ -1,7 +1,5 @@
 #![feature(iterator_try_collect, once_cell_try)]
 
-use std::io::Write;
-
 use clap::Parser;
 
 mod args;
@@ -9,27 +7,12 @@ mod commands;
 mod sys;
 
 fn main() -> anyhow::Result<()> {
-    // if unsafe { libc::geteuid() } == 0 {
-    //     return Err(anyhow::anyhow!(
-    //         "the program is not designed to runn as root, priviledge escalation is done by the program itself"
-    //     ));
-    // }
-
     let args = args::Args::parse();
     env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("trace"))
-        // .format(|buf, record| {
-        //     writeln!(
-        //         buf,
-        //         "{}: {}",
-        //         record.level(),
-        //         record.args()
-        //     )
-        // })
         .format_timestamp(None)
         .init();
 
     match args.subcommand {
         args::Command::Pacfiles => commands::pacfiles(&args),
-        args::Command::Dummy => unimplemented!(),
     }
 }