Deprecate the %IsConstructCall intrinsic completely.

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

Index: src/crankshaft/mips/lithium-codegen-mips.h
diff --git a/src/crankshaft/mips/lithium-codegen-mips.h b/src/crankshaft/mips/lithium-codegen-mips.h
index 2af8669caf45da368af4ac106bf944a9462eb98d..ba9101cdef4876f4e8af27bb174627d75d28f84c 100644
--- a/src/crankshaft/mips/lithium-codegen-mips.h
+++ b/src/crankshaft/mips/lithium-codegen-mips.h
@@ -310,10 +310,6 @@ class LCodeGen: public LCodeGenBase {
                          Label* is_not_string,
                          SmiCheck check_needed);
 
-  // Emits optimized code for %_IsConstructCall().
-  // Caller should branch on equal condition.
-  void EmitIsConstructCall(Register temp1, Register temp2);
-
   // Emits optimized code to deep-copy the contents of statically known
   // object graphs (e.g. object literal boilerplate).
   void EmitDeepCopy(Handle<JSObject> object,