Remove unused color declarations in the a64 simulator

They're now all defined globally

BUG=none
R=svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/207723003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20144 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/a64/simulator-a64.cc

@@ -1158,14 +1158,6 @@ void Simulator::PrintProcessorState() {
 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*).