Revert "Add feature flag to change the CDM version to 18.0.2"

This reverts commit 10f6252e4d.

Reason for revert: Increase in memory size for android.hardware.drm-service.widevine

Bug: 324438957
Change-Id: I39c9ca1ebc1da6b9997f63082530fc258974c5ec

libwvdrmengine/aconfig/Android.bp

@@ -1,28 +0,0 @@
-// Copyright (C) 2023 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.
-
-aconfig_declarations {
-    name: "wv_media_drm_flags",
-    package: "com.android.mediadrm.widevine.flags",
-    srcs: [
-        "wv_media_drm_flags.aconfig",
-    ],
-}
-
-cc_aconfig_library {
-    name: "wv_media_drm_flags_c_lib",
-    aconfig_declarations: "wv_media_drm_flags",
-    vendor_available: true,
-    min_sdk_version: "34",
-}