Revert "Reland "ARM64: Add NEON support""

src/arm64/disasm-arm64.h

Index: src/arm64/disasm-arm64.h
diff --git a/src/arm64/disasm-arm64.h b/src/arm64/disasm-arm64.h
index c12d53b7e6073483931538ba9cd9d68cc8bed148..4b477bc438e8f181aa70a568ab650c7e23d052a9 100644
--- a/src/arm64/disasm-arm64.h
+++ b/src/arm64/disasm-arm64.h
@@ -5,7 +5,6 @@
 #ifndef V8_ARM64_DISASM_ARM64_H
 #define V8_ARM64_DISASM_ARM64_H
 
-#include "src/arm64/assembler-arm64.h"
 #include "src/arm64/decoder-arm64.h"
 #include "src/arm64/instructions-arm64.h"
 #include "src/globals.h"
@@ -30,13 +29,6 @@ class DisassemblingDecoder : public DecoderVisitor {
  protected:
   virtual void ProcessOutput(Instruction* instr);
 
-  // Default output functions.  The functions below implement a default way of
-  // printing elements in the disassembly. A sub-class can override these to
-  // customize the disassembly output.
-
-  // Prints the name of a register.
-  virtual void AppendRegisterNameToOutput(const CPURegister& reg);
-
   void Format(Instruction* instr, const char* mnemonic, const char* format);
   void Substitute(Instruction* instr, const char* string);
   int SubstituteField(Instruction* instr, const char* format);