Revert "Add partial bp2build support for APEX targets."

Revert submission 1733232-roboleaf-apex

Reason for revert: b/192523357 Broken build 7512065 on aosp-master on sdk_x86_64-sdk
Reverted Changes:
Ie82c263f6:Add a stub rule for building APEX bundles.
I93e2a25fa:Add partial bp2build support for APEX targets.

Change-Id: I8e836fe7f466e02f3108680f9653412299e929e0

bp2build/apex_conversion_test.go

@@ -1,48 +0,0 @@
-// Copyright 2021 Google Inc. All rights reserved.
-//
-// 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.
-
-package bp2build
-
-import (
-	"android/soong/android"
-	"android/soong/apex"
-	"testing"
-)
-
-func runApexTestCase(t *testing.T, tc bp2buildTestCase) {
-	t.Helper()
-	runBp2BuildTestCase(t, registerApexModuleTypes, tc)
-}
-
-func registerApexModuleTypes(ctx android.RegistrationContext) {
-}
-
-func TestApexBundleSimple(t *testing.T) {
-	runApexTestCase(t, bp2buildTestCase{
-		description:                        "apex - simple example",
-		moduleTypeUnderTest:                "apex",
-		moduleTypeUnderTestFactory:         apex.BundleFactory,
-		moduleTypeUnderTestBp2BuildMutator: apex.ApexBundleBp2Build,
-		filesystem:                         map[string]string{},
-		blueprint: `
-apex {
-	name: "apogee",
-	manifest: "manifest.json",
-}
-`,
-		expectedBazelTargets: []string{`apex(
-    name = "apogee",
-    manifest = "manifest.json",
-)`}})
-}