Remove a temporary workaround that's no longer needed.

src/console.rs

@@ -11,13 +11,10 @@ use windows_sys::Win32::System::Console::{
 
 use crate::{AsHandleRef, HandleRef};
 
-// TODO: windows-sys declares these types with `u32` but we need them to be
-// `u16`, so we cast them ourselves. Filed upstream:
-// <https://github.com/microsoft/windows-rs/issues/1824>
-const FG_BLUE: u16 = FOREGROUND_BLUE as u16;
-const FG_GREEN: u16 = FOREGROUND_GREEN as u16;
-const FG_INTENSITY: u16 = FOREGROUND_INTENSITY as u16;
-const FG_RED: u16 = FOREGROUND_RED as u16;
+use FOREGROUND_BLUE as FG_BLUE;
+use FOREGROUND_GREEN as FG_GREEN;
+use FOREGROUND_INTENSITY as FG_INTENSITY;
+use FOREGROUND_RED as FG_RED;
 
 const FG_CYAN: u16 = FG_BLUE | FG_GREEN;
 const FG_MAGENTA: u16 = FG_BLUE | FG_RED;