Remove aosp host from CarTemplatesHost.mk

Since the source code moved to vendor, it doesn't make sendse to
expose this target name to aosp

Bug: 194232380
Fix: 194232380
Test: Build sdk_car_x86_64
Change-Id: I6bda4149691a0f87c0f3737950dd85bfb1f8d369
diff --git a/CarTemplatesHost.mk b/CarTemplatesHost.mk
index f1e2d4b..b33273c 100644
--- a/CarTemplatesHost.mk
+++ b/CarTemplatesHost.mk
@@ -14,11 +14,5 @@
 # limitations under the License.
 #
 
-PRODUCT_PACKAGES += \
-    TemplatesHost
-
 PRODUCT_COPY_FILES += \
     packages/apps/Car/Templates/Permission/com.android.car.libraries.templates.host.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/com.android.car.libraries.templates.host.xml
-
-PRODUCT_ARTIFACT_PATH_REQUIREMENT_ALLOWED_LIST += \
-    system/app/TemplatesHost/TemplatesHost.apk