Revert "Enable KUnit testing on raviole userdebug & eng build target."

This reverts commit c5b3375835a5dcda22a26cbc79060c42cd8d00c0.

Reason for revert: It's not need anymore for kunit testing

Change-Id: I8606bfb3cc375e97d78ff52cd4fe8b596c86d6fd
Bug: 337797668
diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index e7184a7..e7c4086 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -50,11 +50,6 @@
 BOARD_KERNEL_CMDLINE += swiotlb=noforce
 BOARD_BOOTCONFIG += androidboot.boot_devices=14700000.ufs
 
-# Enable KUnit for userdebug and eng builds
-ifneq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
-  BOARD_KERNEL_CMDLINE += kunit.enable=1
-endif
-
 TARGET_NO_BOOTLOADER := true
 TARGET_NO_RADIOIMAGE := true
 BOARD_PREBUILT_BOOTIMAGE := $(wildcard $(TARGET_KERNEL_DIR)/boot.img)