[memprof] Tidy up #includes (NFC)

We've reorganized some code within memprof, but #indludes haven't
quite followed the code that moved.

Author: kazutakahirata

llvm/include/llvm/ProfileData/IndexedMemProfData.h

@@ -18,10 +18,9 @@
 #include "llvm/ProfileData/DataAccessProf.h"
 #include "llvm/ProfileData/InstrProf.h"
 #include "llvm/ProfileData/MemProf.h"
+#include "llvm/Support/BLAKE3.h"
 #include "llvm/Support/Compiler.h"
-
-#include <functional>
-#include <optional>
+#include "llvm/Support/HashBuilder.h"
 
 namespace llvm {
 namespace memprof {

llvm/include/llvm/ProfileData/MemProf.h

@@ -14,24 +14,20 @@
 #ifndef LLVM_PROFILEDATA_MEMPROF_H
 #define LLVM_PROFILEDATA_MEMPROF_H
 
-#include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/MapVector.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLForwardCompat.h"
 #include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/ProfileData/MemProfData.inc"
-#include "llvm/Support/BLAKE3.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/EndianStream.h"
-#include "llvm/Support/HashBuilder.h"
 #include "llvm/Support/raw_ostream.h"
 
 #include <bitset>
 #include <cstdint>
-#include <optional>
 
 namespace llvm {
 namespace yaml {

llvm/include/llvm/ProfileData/MemProfRadixTree.h

@@ -13,10 +13,13 @@
 #ifndef LLVM_PROFILEDATA_MEMPROFRADIXTREE_H
 #define LLVM_PROFILEDATA_MEMPROFRADIXTREE_H
 
+#include "llvm/ADT/BitVector.h"
 #include "llvm/ProfileData/IndexedMemProfData.h"
 #include "llvm/ProfileData/MemProf.h"
 #include "llvm/Support/Compiler.h"
 
+#include <optional>
+
 namespace llvm {
 namespace memprof {
 namespace detail {