Revert of [api] Restrict Template::Set to take templates or primitive values...

Revert of [api] Restrict Template::Set to take templates or primitive values (patchset #1 id:1 of https://codereview.chromium.org/1839983002/ )

Reason for revert:
Breaks node.js

Original issue's description:
> [api] Restrict Template::Set to take templates or primitive values
>
> Embedders that passed in non-primitive values should either use
> getters/setters (templates) or install a native data property,
> otherwise, the values would all result in cross-context leaks
>
> BUG=none
> R=verwaest@chromium.org
> LOG=y
>
> Committed: https://crrev.com/eebdee8eafa97849cc70c25f3fecf1b075bac248
> Cr-Commit-Position: refs/heads/master@{#35244}

TBR=verwaest@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=none

Review URL: https://codereview.chromium.org/1860003002

Cr-Commit-Position: refs/heads/master@{#35264}

include/v8.h

@@ -4111,11 +4111,7 @@ enum Intrinsic {
  */
 class V8_EXPORT Template : public Data {
  public:
-  /**
-   * Adds a property to each instance created by this template.
-   *
-   * The property must be defined either as a primitive value, or a template.
-   */
+  /** Adds a property to each instance created by this template.*/
   void Set(Local<Name> name, Local<Data> value,
            PropertyAttribute attributes = None);
   V8_INLINE void Set(Isolate* isolate, const char* name, Local<Data> value);

src/api.cc

@@ -1028,13 +1028,13 @@ void Template::Set(v8::Local<Name> name, v8::Local<Data> value,
   ENTER_V8(isolate);
   i::HandleScope scope(isolate);
   auto value_obj = Utils::OpenHandle(*value);
-  CHECK(!value_obj->IsJSReceiver() || value_obj->IsTemplateInfo());
   if (value_obj->IsObjectTemplateInfo()) {
     templ->set_serial_number(i::Smi::FromInt(0));
     if (templ->IsFunctionTemplateInfo()) {
       i::Handle<i::FunctionTemplateInfo>::cast(templ)->set_do_not_cache(true);
     }
   }
+  // TODO(dcarney): split api to allow values of v8::Value or v8::TemplateInfo.
   i::ApiNatives::AddDataProperty(isolate, templ, Utils::OpenHandle(*name),
                                  value_obj,
                                  static_cast<i::PropertyAttributes>(attribute));