Revert "Adding hasSystemFeature entry for CSHelper"

This reverts commit 475fb0fbefb7cc714aa3606aab7445f769c9b22b.

Reason for revert: b/329350496 - Introducing new config with `android.*` namespace is not allowed in 24Q2.

Change-Id: I90d0c3cd83f4914650ed7fd84acefc4a1ad5520b
diff --git a/data/etc/android.software.contextualsearch.xml b/data/etc/android.software.contextualsearch.xml
deleted file mode 100644
index 4564ac8..0000000
--- a/data/etc/android.software.contextualsearch.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 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.
--->
-
-<!-- Feature for devices supporting contextual search helper. -->
-<permissions>
-    <feature name="android.software.contextualsearch" />
-</permissions>