Remove unused color declarations in the a64 simulator

src/a64/simulator-a64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1140 matching lines @@
 void Simulator::PrintProcessorState() {
   PrintSystemRegisters();
   PrintRegisters();
   PrintFPRegisters();
 }
 
 
 void Simulator::PrintWrite(uint8_t* address,
                            uint64_t value,
                            unsigned num_bytes) {
-  // Define some color codes to use for memory logging.
-  const char* const clr_normal         = (FLAG_log_colour) ? ("\033[m")
-                                                           : ("");
-  const char* const clr_memory_value   = (FLAG_log_colour) ? ("\033[1;32m")
-                                                           : ("");
-  const char* const clr_memory_address = (FLAG_log_colour) ? ("\033[32m")
-                                                           : ("");
-
   // The template is "# value -> address". The template is not directly used
   // in the printf since compilers tend to struggle with the parametrized
   // width (%0*).
   const char* format = "# %s0x%0*" PRIx64 "%s -> %s0x%016" PRIx64 "%s\n";
   fprintf(stream_,
           format,
           clr_memory_value,
           num_bytes * 2,  // The width in hexa characters.
           value,
           clr_normal,
@@ skipping 2466 matching lines @@
     default:
       UNIMPLEMENTED();
   }
 }
 
 #endif  // USE_SIMULATOR
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64