Remove usages of Heap::NewSpaceStart and its external reference

src/crankshaft/mips/lithium-codegen-mips.cc

Index: src/crankshaft/mips/lithium-codegen-mips.cc
diff --git a/src/crankshaft/mips/lithium-codegen-mips.cc b/src/crankshaft/mips/lithium-codegen-mips.cc
index b16a450afc004d77f45feccfeb91c55a0e464296..d578df6e8af9b8fd69d98d6468ce625e081bdbde 100644
--- a/src/crankshaft/mips/lithium-codegen-mips.cc
+++ b/src/crankshaft/mips/lithium-codegen-mips.cc
@@ -4221,8 +4221,7 @@ void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) {
   Register object = ToRegister(instr->object());
   Register temp = ToRegister(instr->temp());
   Label no_memento_found;
-  __ TestJSArrayForAllocationMemento(object, temp, &no_memento_found,
-                                     ne, &no_memento_found);
+  __ TestJSArrayForAllocationMemento(object, temp, &no_memento_found);
   DeoptimizeIf(al, instr);
   __ bind(&no_memento_found);
 }