Remove unused Endian.h includes, NFC
Mainly avoids including Host.h everywhere:
$ diff -u <(sort thedeps-before.txt) <(sort thedeps-after.txt) \
| grep '^[-+] ' | sort | uniq -c | sort -nr
3141 - /usr/local/google/home/rnk/llvm-project/llvm/include/llvm/Support/Host.h
diff --git a/clang/unittests/Tooling/RecursiveASTVisitorTests/LambdaExpr.cpp b/clang/unittests/Tooling/RecursiveASTVisitorTests/LambdaExpr.cpp
index f2006fc..8e23487 100644
--- a/clang/unittests/Tooling/RecursiveASTVisitorTests/LambdaExpr.cpp
+++ b/clang/unittests/Tooling/RecursiveASTVisitorTests/LambdaExpr.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
+#include "llvm/Support/Host.h"
#include <stack>
using namespace clang;