[llvm] Remove includes of `llvm/Support/STLArrayExtras.h`

`llvm` and downstream internal callers no longer use `array_lengthof`, so drop
the include everywhere.

Differential Revision: https://reviews.llvm.org/D133600

llvm/include/llvm/ADT/STLExtras.h

@@ -19,7 +19,6 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/Optional.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/STLForwardCompat.h"
 #include "llvm/ADT/STLFunctionalExtras.h"
 #include "llvm/ADT/identity.h"

llvm/include/llvm/CodeGen/TargetLowering.h

@@ -25,7 +25,6 @@
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/CodeGen/DAGCombine.h"

llvm/lib/MC/MCAsmBackend.cpp

@@ -8,7 +8,6 @@
 
 #include "llvm/MC/MCAsmBackend.h"
 #include "llvm/ADT/None.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/MC/MCDXContainerWriter.h"
 #include "llvm/MC/MCELFObjectWriter.h"
 #include "llvm/MC/MCFixupKindInfo.h"

llvm/lib/Support/ARMAttributeParser.cpp

@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/ARMAttributeParser.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/ARMBuildAttributes.h"
 #include "llvm/Support/Errc.h"

llvm/lib/Support/Triple.cpp

@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/Triple.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"

llvm/lib/Support/raw_ostream.cpp

@@ -11,7 +11,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/Compiler.h"

llvm/utils/TableGen/X86DisassemblerTables.cpp

@@ -16,7 +16,6 @@
 #include "X86DisassemblerTables.h"
 #include "X86DisassemblerShared.h"
 #include "X86ModRMFilters.h"
-#include "llvm/ADT/STLArrayExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Format.h"