Address comment

src/bin/julialauncher.rs

@@ -5,8 +5,6 @@ use itertools::Itertools;
 use juliaup::config_file::{load_config_db, JuliaupConfig, JuliaupConfigChannel};
 use juliaup::global_paths::get_paths;
 use juliaup::jsonstructs_versionsdb::JuliaupVersionDB;
-#[cfg(not(windows))]
-use juliaup::utils::is_valid_julia_path;
 use juliaup::versions_file::load_versions_db;
 #[cfg(not(windows))]
 use nix::{
@@ -398,19 +396,15 @@ fn run_app() -> Result<i32> {
  }
 
  // replace the current process
- if is_valid_julia_path(&julia_path) {
- std::process::Command::new(julia_path)
- .args(&new_args)
- .exec();
- } else {
- panic!(
- "Could not launch Julia. Verify that there is a valid Julia binary at \"{}\".",
- julia_path.to_string_lossy()
- );
- }
-
- // this is never reached
- Ok(0)
+ std::process::Command::new(&julia_path)
+ .args(&new_args)
+ .exec();
+
+ // this is only ever reached if launching Julia fails
+ panic!(
+ "Could not launch Julia. Verify that there is a valid Julia binary at \"{}\".",
+ julia_path.to_string_lossy()
+ )
  }
  Ok(ForkResult::Child) => {
  // double-fork to prevent zombies