Revert "Add boolean runtime checks for different element kinds."

This reverts commit 29308cf0.

Reason for revert: Use existing runtime functions instead

Original change's description:
> Add boolean runtime checks for different element kinds.
> 
> This will be used for Array.p.sort benchmarks to ensure that the
> arrays will have the correct element kind.
> 
> R=​cbruni@chromium.org, jgruber@chromium.org
> 
> Bug: v8:7382
> Change-Id: I4fe58d97d7f18fd193d4432964cf6b4f5335e0e7
> Reviewed-on: https://chromium-review.googlesource.com/1004754
> Commit-Queue: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#52511}

TBR=cbruni@chromium.org,jgruber@chromium.org,szuend@google.com

Change-Id: I45742879d3637470752335772f294d7e8ff3ce35
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7382
Reviewed-on: https://chromium-review.googlesource.com/1004589Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52513}

src/runtime/runtime-object.cc

@@ -874,24 +874,6 @@ RUNTIME_FUNCTION(Runtime_HasFastPackedElements) {
       IsFastPackedElementsKind(obj->map()->elements_kind()));
 }
 
-#define RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(Name, Kind)                     \
-  RUNTIME_FUNCTION(Runtime_##Name) {                                        \
-    SealHandleScope shs(isolate);                                           \
-    DCHECK_EQ(1, args.length());                                            \
-    CONVERT_ARG_CHECKED(HeapObject, obj, 0);                                \
-    return isolate->heap()->ToBoolean(obj->map()->elements_kind() == Kind); \
-  }
-
-RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(HasPackedSmiElements, PACKED_SMI_ELEMENTS)
-RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(HasPackedDoubleElements,
-                                    PACKED_DOUBLE_ELEMENTS)
-RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(HasPackedObjectElements, PACKED_ELEMENTS)
-RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(HasHoleySmiElements, HOLEY_SMI_ELEMENTS)
-RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(HasHoleyDoubleElements,
-                                    HOLEY_DOUBLE_ELEMENTS)
-RUNTIME_FUNCTION_CHECK_ELEMENT_KIND(HasHoleyObjectElements, HOLEY_ELEMENTS)
-
-#undef RUNTIME_FUNCTION_CHECK_ELEMENT_KIND
 
 RUNTIME_FUNCTION(Runtime_ValueOf) {
   SealHandleScope shs(isolate);

src/runtime/runtime.h

@@ -382,12 +382,6 @@ namespace internal {
   F(GetOwnPropertyKeys, 2, 1)                                   \
   F(GetProperty, 2, 1)                                          \
   F(GetPrototype, 1, 1)                                         \
-  F(HasPackedSmiElements, 1, 1)                                 \
-  F(HasPackedDoubleElements, 1, 1)                              \
-  F(HasPackedObjectElements, 1, 1)                              \
-  F(HasHoleySmiElements, 1, 1)                                  \
-  F(HasHoleyDoubleElements, 1, 1)                               \
-  F(HasHoleyObjectElements, 1, 1)                               \
   F(HasFastPackedElements, 1, 1)                                \
   F(HasInPrototypeChain, 2, 1)                                  \
   F(HasProperty, 2, 1)                                          \