Revert "Enable GPU protected content"

This reverts commit 33af291c055c7ed6508ac50612a7a4c2d9405ee6.

Bug: 28545166

Change-Id: I1fa709ef75040ceab2dfdc7beba9aca194065806
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 667d6f9..982285f 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -137,7 +137,4 @@
 
 USE_CLANG_PLATFORM_BUILD := true
 
-# Temporary, will switch to a non-boardconfig enable soon. b/28545166.
-BOARD_ENABLE_GPU_PROTECTED_CONTENT := true
-
 -include vendor/huawei/angler/BoardConfigVendor.mk