Remove unneeded imports

examples/winit.rs

@@ -1,8 +1,8 @@
 use raw_gl_context::{GlConfig, GlContext};
 
-use winit::event_loop::{ControlFlow, EventLoop};
+use winit::event_loop::{EventLoop};
 use winit::window::WindowBuilder;
-use raw_window_handle::HasWindowHandle;
+
 use winit::event::{Event, WindowEvent};
 
 fn main() {

src/x11.rs

@@ -1,7 +1,7 @@
 use std::ffi::{c_void, CString};
 use std::os::raw::{c_int, c_ulong};
 
-use raw_window_handle::{HasDisplayHandle, HasRawDisplayHandle, HasRawWindowHandle, HasWindowHandle, RawDisplayHandle, RawWindowHandle, WindowHandle};
+use raw_window_handle::{HasDisplayHandle, HasWindowHandle, RawDisplayHandle, RawWindowHandle};
 
 use x11::glx;
 use x11::xlib;