Remove obsolete PDK build functionality

This hasn't worked for a couple years, and continues to bitrot. Just
remove it.

Test: treehugger
Change-Id: Iea6caf3c08252a560155e095135c5ddaad712991
Merged-In: Iea6caf3c08252a560155e095135c5ddaad712991
diff --git a/core/main.mk b/core/main.mk
index ab9962a..fdb2550 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -175,16 +175,8 @@
 endif
 
 # -----------------------------------------------------------------
-# Variable to check java support level inside PDK build.
-# Not necessary if the components is not in PDK.
-# not defined : not supported
-# "sdk" : sdk API only
-# "platform" : platform API supproted
-TARGET_BUILD_JAVA_SUPPORT_LEVEL := platform
-
-# -----------------------------------------------------------------
-# The pdk (Platform Development Kit) build
-include build/make/core/pdk_config.mk
+# PDK builds are no longer supported, this is always platform
+TARGET_BUILD_JAVA_SUPPORT_LEVEL :=$= platform
 
 # -----------------------------------------------------------------
 
@@ -516,11 +508,6 @@
 
 $(foreach mk,$(subdir_makefiles),$(info [$(call inc_and_print,subdir_makefiles_inc)/$(subdir_makefiles_total)] including $(mk) ...)$(eval include $(mk)))
 
-ifneq (,$(PDK_FUSION_PLATFORM_ZIP)$(PDK_FUSION_PLATFORM_DIR))
-# Bring in the PDK platform.zip modules.
-include $(BUILD_SYSTEM)/pdk_fusion_modules.mk
-endif # PDK_FUSION_PLATFORM_ZIP || PDK_FUSION_PLATFORM_DIR
-
 droid_targets : blueprint_tools
 
 endif # dont_bother
@@ -1722,13 +1709,11 @@
     $(call dist-for-goals, droidcore, $(f)))
 
   ifneq ($(ANDROID_BUILD_EMBEDDED),true)
-  ifneq ($(TARGET_BUILD_PDK),true)
     $(call dist-for-goals, droidcore, \
       $(APPS_ZIP) \
       $(INTERNAL_EMULATOR_PACKAGE_TARGET) \
     )
   endif
-  endif
 
   $(call dist-for-goals, droidcore, \
     $(INSTALLED_FILES_FILE_ROOT) \