deprecate/remove global WORM mode (#9436)

global WORM mode is a complex piece for which
the time has passed, with the advent of S3 compatible
object locking and retention implementation global
WORM is sort of deprecated, this has been mentioned
in our documentation for some time, now the time
has come for this to go.

mint/build/worm/install.sh

@@ -1,19 +0,0 @@
-#!/bin/bash -e
-#
-#  Mint (C) 2017-2019 Minio, Inc.
-#
-#  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.
-#
-
-test_run_dir="$MINT_RUN_CORE_DIR/worm"
-GO111MODULE=on CGO_ENABLED=0 go build -o "$test_run_dir/worm" "$test_run_dir/quick-worm-tests.go"