Replaced Lohit_Hindi with Lohit-Devanagari

Lohit-Devanagari is now provided by external/lohit-fonts, replacing
Lohit_Hindi from here. Removed font from fonts.mk and renamed in
fallback_fonts.xml.

Bug: 5364436
Change-Id: I0b8f65dbfdbec1802fba526209d7f88d2cf64fc4
diff --git a/CleanSpec.mk b/CleanSpec.mk
index d48904c..7bab945 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -111,6 +111,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/wifi/java)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/wifi/java)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/fonts/Lohit_Hindi.ttf)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************