Delete install_grafana.yml

Signed-off-by: abhishek-sa1 <abhishek.sa3@dell.com>

control_plane/roles/control_plane_monitoring/tasks/install_grafana.yml

@@ -1,15 +0,0 @@
-#  Copyright 2021 Dell Inc. or its subsidiaries. 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.
----
-