Remove RELEASE_EXPOSE_FLAGGED_API and PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API export

As seen in the CLs in the same topic, these two variables are no longer
in used and do not need to be exported to Soong.

Test: m nothing --no-skip-soong-tests
Bug: 320515715
Change-Id: I268dc3f051d3ff15d95515755dd0c9f9c15dfc82
diff --git a/core/product.mk b/core/product.mk
index 5515a8a..2d22ebf 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -446,7 +446,6 @@
 
 _product_list_vars += PRODUCT_AFDO_PROFILES
 
-_product_single_value_vars += PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API
 _product_single_value_vars += PRODUCT_SCUDO_ALLOCATION_RING_BUFFER_SIZE
 
 _product_list_vars += PRODUCT_RELEASE_CONFIG_MAPS
diff --git a/core/soong_config.mk b/core/soong_config.mk
index b6ce2a7..7d03aa3 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -47,7 +47,6 @@
 $(call add_json_str,  Platform_version_known_codenames,  $(PLATFORM_VERSION_KNOWN_CODENAMES))
 
 $(call add_json_bool, Release_aidl_use_unfrozen,         $(RELEASE_AIDL_USE_UNFROZEN))
-$(call add_json_bool, Release_expose_flagged_api,        $(RELEASE_EXPOSE_FLAGGED_API))
 
 $(call add_json_str,  Platform_min_supported_target_sdk_version, $(PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION))
 
@@ -396,8 +395,6 @@
   $(call add_json_list, ProductPackages, $(sort $(PRODUCT_PACKAGES)))
 $(call end_json_map)
 
-$(call add_json_bool, NextReleaseHideFlaggedApi, $(filter true,$(PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API)))
-
 $(call add_json_bool, BuildFromSourceStub, $(findstring true,$(PRODUCT_BUILD_FROM_SOURCE_STUB) $(BUILD_FROM_SOURCE_STUB)))
 
 $(call json_end)
diff --git a/target/product/mainline_sdk.mk b/target/product/mainline_sdk.mk
index cb23bc8..10bb0a0 100644
--- a/target/product/mainline_sdk.mk
+++ b/target/product/mainline_sdk.mk
@@ -17,6 +17,4 @@
 PRODUCT_BRAND := Android
 PRODUCT_DEVICE := mainline_sdk
 
-PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API := true
-
 PRODUCT_BUILD_FROM_SOURCE_STUB := true
\ No newline at end of file
diff --git a/target/product/sdk.mk b/target/product/sdk.mk
index b9ccad3..650f8e9 100644
--- a/target/product/sdk.mk
+++ b/target/product/sdk.mk
@@ -29,6 +29,4 @@
 PRODUCT_BRAND := Android
 PRODUCT_DEVICE := mainline_x86
 
-PRODUCT_NEXT_RELEASE_HIDE_FLAGGED_API := true
-
 PRODUCT_BUILD_FROM_SOURCE_STUB := true
\ No newline at end of file