Remove gBn/sConstructorMap.

Test: boot fugu, 2016/2017 Pixel
Bug: 69122224
Change-Id: I525574228bc5f3720901d884fe041597a00ddc77
diff --git a/transport/include/hidl/HidlBinderSupport.h b/transport/include/hidl/HidlBinderSupport.h
index 9759af1..55003cc 100644
--- a/transport/include/hidl/HidlBinderSupport.h
+++ b/transport/include/hidl/HidlBinderSupport.h
@@ -332,10 +332,7 @@
         if (sBnObj == nullptr) {
             auto func = details::getBnConstructorMap().get(myDescriptor, nullptr);
             if (!func) {
-                func = details::gBnConstructorMap.get(myDescriptor, nullptr);
-                if (!func) {
-                    return nullptr;
-                }
+                return nullptr;
             }
 
             sBnObj = sp<IBinder>(func(static_cast<void*>(ifacePtr)));