Revert "Override OEM unlock check with downstream security state flag whenever it is present"

This reverts commit ece40a4.

Author: quh4gko8

app/src/main/java/app/attestation/auditor/AttestationProtocol.java

@@ -1626,13 +1626,6 @@ static AttestationResult generateSerialized(final Context context, final byte[]
                 osEnforcedFlags |= OS_ENFORCED_FLAGS_SYSTEM_USER;
             }
             if (extraSecurityState != Bundle.EMPTY) {
-                String oemUnlockAllowedKey = "android.ext.OEM_UNLOCK_ALLOWED";
-                if (extraSecurityState.containsKey(oemUnlockAllowedKey)) {
-                    osEnforcedFlags &= ~OS_ENFORCED_FLAGS_OEM_UNLOCK_ALLOWED;
-                    if (extraSecurityState.getBoolean(oemUnlockAllowedKey, false)) {
-                        osEnforcedFlags |= OS_ENFORCED_FLAGS_OEM_UNLOCK_ALLOWED;
-                    }
-                }
             }
             serializer.putInt(osEnforcedFlags);