Revert "Add magic avb arg at the vendor level to unbreak more x86 32 boots"

This reverts commit a23afb399ee5c2a2f7d167fa49276718efd2c146.

Reason for revert: root cause fixed

BUG: 146580512

Change-Id: I6a046683db0324d45d16f9a5d1a1c028c5f421a0
diff --git a/x86-vendor.mk b/x86-vendor.mk
index 9159617..5fa9dc9 100644
--- a/x86-vendor.mk
+++ b/x86-vendor.mk
@@ -23,4 +23,3 @@
 
 PRODUCT_SHIPPING_API_LEVEL := 28
 TARGET_USES_MKE2FS := true
-BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 2