Remove extern crate statements (#3310)

src/platform_impl/windows/drop_handler.rs

@@ -18,6 +18,8 @@ use windows_sys::{
     },
 };
 
+use log::debug;
+
 use crate::platform_impl::platform::{
     definitions::{IDataObjectVtbl, IDropTarget, IDropTargetVtbl, IUnknownVtbl},
     WindowId,

src/platform_impl/windows/keyboard.rs

@@ -32,6 +32,7 @@ use windows_sys::Win32::{
     },
 };
 
+use log::{trace, warn};
 use smol_str::SmolStr;
 use unicode_segmentation::UnicodeSegmentation;
 

src/platform_impl/windows/keyboard_layout.rs

@@ -104,7 +104,7 @@ static NUMPAD_KEYCODES: Lazy<HashSet<KeyCode>> = Lazy::new(|| {
     keycodes
 });
 
-bitflags! {
+bitflags::bitflags! {
     #[derive(Clone, Copy, PartialEq, Eq, Hash)]
     pub struct WindowsModifiers : u8 {
         const SHIFT = 1 << 0;

src/platform_impl/windows/window.rs

@@ -54,6 +54,8 @@ use windows_sys::Win32::{
     },
 };
 
+use log::warn;
+
 use crate::{
     cursor::Cursor,
     dpi::{PhysicalPosition, PhysicalSize, Position, Size},

src/platform_impl/windows/window_state.rs

@@ -5,6 +5,7 @@ use crate::{
     platform_impl::platform::{event_loop, util, Fullscreen, SelectedCursor},
     window::{Theme, WindowAttributes},
 };
+use bitflags::bitflags;
 use std::io;
 use std::sync::MutexGuard;
 use windows_sys::Win32::{