Revert "add 8.5.0 shell"

This reverts commit 744fc590731314f91078364553196612afe2aca0.
diff --git a/8/v8.5.0.sh b/8/v8.5.0.sh
deleted file mode 100644
index 4c21eb0..0000000
--- a/8/v8.5.0.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you 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.
-
-export SW_VERSION=8.5.0