[winapi-build] Remove the now unnecessary winapi-build fake

Change-Id: Ia2d05e2adeb29bcf6cc3c018fe46bd0fd6279b19
diff --git a/rustc_deps/Cargo.lock b/rustc_deps/Cargo.lock
index 2066a40..498f94e 100644
--- a/rustc_deps/Cargo.lock
+++ b/rustc_deps/Cargo.lock
@@ -1903,10 +1903,6 @@
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[patch.unused]]
-name = "winapi-build"
-version = "0.3.6"
-
 [metadata]
 "checksum adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7e522997b529f05601e05166c07ed17789691f562762c7f3b987263d2dedee5c"
 "checksum aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9a933f4e58658d7b12defcf96dc5c720f20832deebe3e0a19efd3b6aaeeb9e"
diff --git a/rustc_deps/Cargo.toml b/rustc_deps/Cargo.toml
index 4e63644..ebcdf3c 100644
--- a/rustc_deps/Cargo.toml
+++ b/rustc_deps/Cargo.toml
@@ -96,5 +96,4 @@
 xi-trace-dump = { path = "../../rust-mirrors/xi-editor/rust/trace-dump" }
 xi-unicode = { path = "../../rust-mirrors/xi-editor/rust/unicode" }
 winapi = { path = "tiny_mirrors/winapi" }
-winapi-build = { path = "tiny_mirrors/winapi-build" }
 winapi-util = { path = "tiny_mirrors/winapi-util" }
diff --git a/rustc_deps/tiny_mirrors/winapi-build/Cargo.toml b/rustc_deps/tiny_mirrors/winapi-build/Cargo.toml
deleted file mode 100644
index bdad8d5..0000000
--- a/rustc_deps/tiny_mirrors/winapi-build/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "winapi-build"
-version = "0.3.6"
-authors = ["Derek Gonyeo <dgonyeo@google.com>"]
-
-[dependencies]
diff --git a/rustc_deps/tiny_mirrors/winapi-build/src/lib.rs b/rustc_deps/tiny_mirrors/winapi-build/src/lib.rs
deleted file mode 100644
index c679081..0000000
--- a/rustc_deps/tiny_mirrors/winapi-build/src/lib.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-// Copyright 2018 The Fuchsia Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.