ARM: clean up code now that ARMv6 is the baseline.

src/arm/assembler-arm.cc

Index: src/arm/assembler-arm.cc
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index bc21b6401778b778786c7edfdf4028a773c9c812..b473c6b52b045c6b93c22028ed04fd3a518ff878 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -1683,7 +1683,6 @@ void Assembler::stop(const char* msg, Condition cond, int32_t code) {
     emit(reinterpret_cast<Instr>(msg));
   }
 #else  // def __arm__
-#ifdef CAN_USE_ARMV5_INSTRUCTIONS
   if (cond != al) {
     Label skip;
     b(&skip, NegateCondition(cond));
@@ -1692,9 +1691,6 @@ void Assembler::stop(const char* msg, Condition cond, int32_t code) {
   } else {
     bkpt(0);
   }
-#else  // ndef CAN_USE_ARMV5_INSTRUCTIONS
-  svc(0x9f0001, cond);
-#endif  // ndef CAN_USE_ARMV5_INSTRUCTIONS
 #endif  // def __arm__
 }