[NFC][TargetParser] Remove llvm/ADT/Triple.h

I also ran `git clang-format` to get the headers in the right order for
the new location, which has changed the order of other headers in two
files.

llvm/lib/Bitcode/Reader/BitcodeReader.cpp

@@ -17,7 +17,6 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Bitcode/BitcodeCommon.h"
 #include "llvm/Bitcode/LLVMBitCodes.h"
@@ -72,6 +71,7 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/ModRef.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/TargetParser/Triple.h"
 #include <algorithm>
 #include <cassert>
 #include <cstddef>