improv: Remove unused code

Author: ids1024

examples/daemon.rs

@@ -73,7 +73,7 @@ fn main() {
         }
     }
 
-    with_daemon(|mut daemon| {
+    with_daemon(|daemon| {
         println!("boards: {:?}", daemon.boards());
     });
 }

src/application/keyboard.rs

@@ -10,10 +10,7 @@ use std::{
         Path,
     },
     rc::Rc,
-    str::{
-        self,
-        FromStr
-    },
+    str,
 };
 
 use crate::daemon::Daemon;
@@ -442,21 +439,6 @@ button {
             ..set_halign(gtk::Align::Start);
         };
 
-        let color_rgba = if let Some(ref daemon) = self.daemon_opt {
-            match daemon.color(self.daemon_board) {
-                Ok(value) => {
-                    let (red, green, blue) = value.to_floats();
-                    gdk::RGBA { red, green, blue, alpha: 1. }
-                },
-                Err(err) => {
-                    eprintln!("{}", err);
-                    gdk::RGBA::black()
-                }
-            }
-        } else {
-            gdk::RGBA::black()
-        };
-
         let color_keyboard = if let Some(ref daemon) = self.daemon_opt {
             ColorKeyboard::new_daemon(daemon.clone(), self.daemon_board)
         } else {

src/keyboard.rs

@@ -16,14 +16,6 @@ use crate::daemon::Daemon;
 const DBUS_NAME: &'static str = "com.system76.PowerDaemon";
 const DBUS_KEYBOARD_IFACE: &'static str = "com.system76.PowerDaemon.Keyboard";
 
-pub enum KeyboardPattern {
-    Solid,
-    Breathe,
-    Wave,
-    Snake,
-    Random,
-}
-
 enum KeyboardImplementation {
     #[cfg(target_os = "linux")]
     S76Power {
@@ -314,23 +306,6 @@ impl Keyboard {
             .borrow_mut()
             .push(std::boxed::Box::new(f) as Box<dyn Fn(&Self, Rgb)>);
     }
-
-    /// Returns `true` if the keyboard has a backlight capable of patterns
-    pub fn has_pattern(&self) -> Result<bool> {
-        Ok(false)
-    }
-
-    /// Gets backlight pattern
-    pub fn pattern(&self) -> Result<KeyboardPattern> {
-        // XXX
-        Ok(KeyboardPattern::Solid)
-    }
-
-    /// Sets backlight pattern
-    pub fn set_pattern(&self, _pattern: KeyboardPattern) -> Result<()> {
-        // XXX
-        Ok(())
-    }
 }
 
 impl fmt::Display for Keyboard {

src/keyboard_color_button.rs

@@ -9,7 +9,7 @@ use std::rc::{Rc, Weak};
 use crate::choose_color::choose_color;
 use crate::color::Rgb;
 use crate::color_circle::{ColorCircle, ColorCircleSymbol};
-use crate::keyboard::{keyboards, Keyboard};
+use crate::keyboard::Keyboard;
 
 struct KeyboardColorButtonInner {
     button: ColorCircle,