Clean-up duplicated product configuration

Those makefiles are already included in core system makefile, which is
build/make/target/product/handheld_system.mk.

Test: m && m product-graph
Change-Id: I374b047de491f72e48c19dfaa21fe21a2afe4a7d
diff --git a/car_product/build/car.mk b/car_product/build/car.mk
index 7c03328..98ce71e 100644
--- a/car_product/build/car.mk
+++ b/car_product/build/car.mk
@@ -59,15 +59,6 @@
 
 # Overlay for Google network and fused location providers
 $(call inherit-product, device/sample/products/location_overlay.mk)
-$(call inherit-product-if-exists, frameworks/base/data/fonts/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/dancing-script/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/carrois-gothic-sc/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/coming-soon/fonts.mk)
-$(call inherit-product-if-exists, external/google-fonts/cutive-mono/fonts.mk)
-$(call inherit-product-if-exists, external/noto-fonts/fonts.mk)
-$(call inherit-product-if-exists, external/roboto-fonts/fonts.mk)
-$(call inherit-product-if-exists, external/hyphenation-patterns/patterns.mk)
-$(call inherit-product-if-exists, frameworks/base/data/keyboards/keyboards.mk)
 $(call inherit-product-if-exists, frameworks/webview/chromium/chromium.mk)
 $(call inherit-product, packages/services/Car/car_product/build/car_base.mk)