Remove "dumpdir" example as obsolete

tor-netdir/examples/dumpdir.rs

@@ -1,33 +0,0 @@
-use log::LevelFilter;
-use std::path::Path;
-use tor_netdir::*;
-
-fn main() -> Result<()> {
-    simple_logging::log_to_stderr(LevelFilter::Info);
-    let mut cfg = NetDirConfig::new();
-
-    let argv: Vec<_> = std::env::args().skip(1).collect();
-    let chutney_dir = if argv.len() == 2 && argv[0] == "chutney" {
-        Some(argv[1].clone())
-    } else {
-        None
-    };
-
-    match chutney_dir {
-        Some(d) => {
-            cfg.add_authorities_from_chutney(Path::new(&d))?;
-            cfg.set_cache_path(Path::new(&d));
-        }
-        None => cfg.add_default_authorities(),
-    };
-    let dir = cfg
-        .load()?
-        .unwrap_if_sufficient()
-        .map_err(|_| Error::NotEnoughInfo)?;
-
-    for r in dir.relays() {
-        println!("{}", r.rsa_id())
-    }
-
-    Ok(())
-}