Remove old VAG dependency

src/Tools/psxfileconv/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "psxfileconv"
-version = "0.5.0"
+version = "0.6.0"
 edition = "2021"
 
 [profile.release]

src/Tools/psxfileconv/src/audio/mod.rs

@@ -1,5 +1,4 @@
 pub mod my_vag;
-pub mod old_vag;
 pub mod xa;
 
 use std::{env, path::PathBuf, process::Command};

src/Tools/psxfileconv/src/audio/old_vag/mod.rs

@@ -1,22 +0,0 @@
-use clap::Args;
-use std::path::PathBuf;
-use tool_helper::Error;
-
-#[derive(Args)]
-pub struct Arguments {
-    frequency: Option<u32>
-}
-
-pub fn convert(args: Arguments, input: PathBuf, output: PathBuf) -> Result<(), Error> {
-    let mut cmd_args = vec!["-t", "vag"];
-    let     frequency_str;
-
-    if let Some(frequency) = args.frequency {
-        frequency_str = frequency.to_string().to_owned();
-
-        cmd_args.push("-f");
-        cmd_args.push(frequency_str.as_ref());
-    }
-
-    super::run_psxavenc(input, output, cmd_args)
-}