Remove remaining references to windows::*

Author: CraftSpider

src/backtrace/dbghelp32.rs

@@ -11,7 +11,7 @@
 
 #![allow(bad_style)]
 
-use super::super::{dbghelp, windows::*, windows_sys::*};
+use super::super::{dbghelp, windows_sys::*};
 use core::ffi::c_void;
 use core::mem;
 

src/symbolize/gimli/libs_windows.rs

@@ -1,4 +1,3 @@
-use super::super::super::windows::*;
 use super::super::super::windows_sys::*;
 use super::mystd::os::windows::prelude::*;
 use super::{coff, mmap, Library, LibrarySegment, OsString};