[llvm] [unused-includes][ADT] Don't include DJB.h as it's not used. NFC. (PR #88211)

[Volodymyr Sapsai via llvm-commits]

https://github.com/vsapsai created https://github.com/llvm/llvm-project/pull/88211

StringMap uses xxHash instead of DJB.

>From a01c1f84d57a762c0b076a8cd46f56b189638d16 Mon Sep 17 00:00:00 2001
From: Volodymyr Sapsai <vsapsai at apple.com>
Date: Tue, 9 Apr 2024 16:42:03 -0700
Subject: [PATCH] [unused-includes][ADT] Don't include DJB.h as it's not used.
 NFC.

StringMap uses xxHash instead of DJB.
---
 llvm/include/llvm/ADT/StringMap.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/llvm/include/llvm/ADT/StringMap.h b/llvm/include/llvm/ADT/StringMap.h
index 32e611467ac58e..453d91349e3585 100644
--- a/llvm/include/llvm/ADT/StringMap.h
+++ b/llvm/include/llvm/ADT/StringMap.h
@@ -17,7 +17,6 @@
 #include "llvm/ADT/StringMapEntry.h"
 #include "llvm/ADT/iterator.h"
 #include "llvm/Support/AllocatorBase.h"
-#include "llvm/Support/DJB.h"
 #include "llvm/Support/PointerLikeTypeTraits.h"
 #include <initializer_list>
 #include <iterator>