fix: run neowofetch directly on unix

The script should contain a shebang, so no need to spawn a subshell for
it

crates/hyfetch/src/neofetch_util.rs

@@ -506,8 +506,7 @@ where
 
     #[cfg(not(windows))]
     {
-        let mut command = Command::new("bash");
-        command.arg(neofetch_path);
+        let mut command = Command::new(neofetch_path);
         command.args(args);
         Ok(command)
     }