Remove a bunch of obsolete/(potentially) renamed .apk's.

I found these kicking around my system/app with old timestamps, and old
packages just cause trouble.  Depending on the build flavor they may or
may not still be there, but it's harmless to clean them.
diff --git a/core/cleanspec.mk b/core/cleanspec.mk
index c95dda6..2fb6e01 100644
--- a/core/cleanspec.mk
+++ b/core/cleanspec.mk
@@ -160,6 +160,18 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/Music*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Music*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Launcher.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/AlarmClock.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Calendar.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/DeskClock.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Email.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Facebook.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Gallery3D.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Maps.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/MyFaves.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/googlevoice.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/kickback.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/soundback.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/talkback.apk)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST