[clangd] Remove obsolete includes. NFC

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@370865 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/clangd/Threading.h b/clangd/Threading.h
index 64caa49..878069f 100644
--- a/clangd/Threading.h
+++ b/clangd/Threading.h
@@ -1,4 +1,4 @@
-//===--- ThreadPool.h --------------------------------------------*- C++-*-===//
+//===--- Threading.h - Abstractions for multithreading -----------*- C++-*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -10,7 +10,7 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_THREADING_H
 
 #include "Context.h"
-#include "Function.h"
+#include "llvm/ADT/FunctionExtras.h"
 #include "llvm/ADT/Twine.h"
 #include <cassert>
 #include <condition_variable>
diff --git a/clangd/Trace.cpp b/clangd/Trace.cpp
index 1360692..5bcbf22 100644
--- a/clangd/Trace.cpp
+++ b/clangd/Trace.cpp
@@ -8,7 +8,6 @@
 
 #include "Trace.h"
 #include "Context.h"
-#include "Function.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/ScopeExit.h"
 #include "llvm/Support/Chrono.h"
diff --git a/clangd/Trace.h b/clangd/Trace.h
index a36be77..4d253e0 100644
--- a/clangd/Trace.h
+++ b/clangd/Trace.h
@@ -18,7 +18,6 @@
 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_TRACE_H_
 
 #include "Context.h"
-#include "Function.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/JSON.h"
 #include "llvm/Support/raw_ostream.h"