Revert of [runtime] Introduce dedicated JSBoundFunction to represent bound functions.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index d07d8348049a7d06f8b021cec9aee2783941c3c9..703537c3ba71b12554fd9f4f459ff28c55f2efa2 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -2815,19 +2815,6 @@
 }
 
 
-void MacroAssembler::AssertBoundFunction(Register object) {
-  if (emit_debug_code()) {
-    STATIC_ASSERT(kSmiTag == 0);
-    tst(object, Operand(kSmiTagMask));
-    Check(ne, kOperandIsASmiAndNotABoundFunction);
-    push(object);
-    CompareObjectType(object, object, object, JS_BOUND_FUNCTION_TYPE);
-    pop(object);
-    Check(eq, kOperandIsNotABoundFunction);
-  }
-}
-
-
 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
                                                      Register scratch) {
   if (emit_debug_code()) {