ART-tests: Remove DX dependency from 530/583

The tests 530-checker-lse2 and 583-checker-zero have already been
passing with D8. This CL only enables D8 for them.

Test: art/test.py -r -b --target -t 530-checker-lse2
Test: art/test.py -r -b --target -t 583-checker-zero
Bug: 65168732
Change-Id: I9ade0ef126f2c34e32d9e18e0ebdfceda1642025
diff --git a/test/530-checker-lse2/build b/test/530-checker-lse2/build
deleted file mode 100644
index d85147f..0000000
--- a/test/530-checker-lse2/build
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-#
-# Copyright 2018 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# See b/65168732
-export USE_D8=false
-
-./default-build "$@"
diff --git a/test/583-checker-zero/build b/test/583-checker-zero/build
deleted file mode 100644
index d85147f..0000000
--- a/test/583-checker-zero/build
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash
-#
-# Copyright 2018 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# See b/65168732
-export USE_D8=false
-
-./default-build "$@"