Remove PRODUCT_SEPOLICY_SPLIT.

Obsolete.

Bug: 257176017
Test: build&boot
Change-Id: I7ac95f8e55254b7c07ee5e5ba6c18c23a432bfa1
diff --git a/core/main.mk b/core/main.mk
index 2281b7a..40e690d 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -180,9 +180,7 @@
 ADDITIONAL_SYSTEM_PROPERTIES += ro.treble.enabled=${PRODUCT_FULL_TREBLE}
 
 $(KATI_obsolete_var PRODUCT_FULL_TREBLE,\
-	Code should be written to work regardless of a device being Treble or \
-	variables like PRODUCT_SEPOLICY_SPLIT should be used until that is \
-	possible.)
+	Code should be written to work regardless of a device being Treble)
 
 # Sets ro.actionable_compatible_property.enabled to know on runtime whether the
 # allowed list of actionable compatible properties is enabled or not.