Remove unused presets (maybe revisit in future).

src/config.rs

@@ -68,18 +68,6 @@ lazy_static! {
  };
 }
 
-/// Configuration presets
-pub enum Presets {
- /// The defaults used, useful to make small tweaks to the default set
- Default,
- /// Suitable values for interactive logins (~0.5s hashing times)
- Interactive,
- /// Stronger values for non-interactive actions, e.g. disk encryption (~3s hashing times)
- NonInteractive,
- /// Combines both `Argon2i` and `scrypt` for side-channel resistance.
- Paranoid,
-}
-
 /// Holds possible configuration options
 /// See the [module level documentation](index.html) for more information.
 #[derive(Debug, Deserialize, Serialize)]
@@ -118,17 +106,6 @@ impl Config {
  }
  }
 
- /// Generates a `Config` from a selected preset
- /// configuration.
- pub fn from_preset(preset: &Presets) -> Self {
- match *preset {
- Presets::Default => Self::default(),
- Presets::Interactive => unimplemented!(),
- Presets::NonInteractive => unimplemented!(),
- Presets::Paranoid => unimplemented!(),
- }
- }
-
  /// Generates a `Config` from a .toml file.
  /// Config files can be generated using the `Config::to_string` method on 
  /// an existing config.