[lldb][NFCI] Remove unused IOStreamMacros

[bulbazord]

Summary

These are unused AFAICT.

[JDevlieghere]

Cool

lldb/include/lldb/Core/IOStreamMacros.h

-//===-- IOStreamMacros.h ----------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_IOStreamMacros_h_
-#define liblldb_IOStreamMacros_h_
-#if defined(__cplusplus)
-
-#include <iomanip>
-
-#define RAW_HEXBASE std::setfill('0') << std::hex << std::right
-#define HEXBASE '0' << 'x' << RAW_HEXBASE
-#define RAWHEX8(x) RAW_HEXBASE << std::setw(2) << ((uint32_t)(x))
-#define RAWHEX16 RAW_HEXBASE << std::setw(4)
-#define RAWHEX32 RAW_HEXBASE << std::setw(8)
-#define RAWHEX64 RAW_HEXBASE << std::setw(16)
-#define HEX8(x) HEXBASE << std::setw(2) << ((uint32_t)(x))
-#define HEX16 HEXBASE << std::setw(4)
-#define HEX32 HEXBASE << std::setw(8)
-#define HEX64 HEXBASE << std::setw(16)
-#define RAW_HEX(x) RAW_HEXBASE << std::setw(sizeof(x) * 2) << (x)
-#define HEX(x) HEXBASE << std::setw(sizeof(x) * 2) << (x)
-#define HEX_SIZE(x, sz) HEXBASE << std::setw((sz)) << (x)
-#define STRING_WIDTH(w) std::setfill(' ') << std::setw(w)
-#define LEFT_STRING_WIDTH(s, w)                                                \
-  std::left << std::setfill(' ') << std::setw(w) << (s) << std::right
-#define DECIMAL std::dec << std::setfill(' ')
-#define DECIMAL_WIDTH(w) DECIMAL << std::setw(w)
-//#define FLOAT(n, d)       std::setfill(' ') << std::setw((n)+(d)+1) <<
-//std::setprecision(d) << std::showpoint << std::fixed
-#define INDENT_WITH_SPACES(iword_idx)                                          \
-  std::setfill(' ') << std::setw((iword_idx)) << ""
-#define INDENT_WITH_TABS(iword_idx)                                            \
-  std::setfill('\t') << std::setw((iword_idx)) << ""
-
-#endif // #if defined(__cplusplus)
-#endif // liblldb_IOStreamMacros_h_