rm bin/spark.cmd as we don't have windows test environment. Will added it later if needed

Signed-off-by: shane-huang <shengsheng.huang@intel.com>

bin/spark.cmd

-@echo off
-
-rem
-rem Licensed to the Apache Software Foundation (ASF) under one or more
-rem contributor license agreements.  See the NOTICE file distributed with
-rem this work for additional information regarding copyright ownership.
-rem The ASF licenses this file to You under the Apache License, Version 2.0
-rem (the "License"); you may not use this file except in compliance with
-rem the License.  You may obtain a copy of the License at
-rem
-rem    http://www.apache.org/licenses/LICENSE-2.0
-rem
-rem Unless required by applicable law or agreed to in writing, software
-rem distributed under the License is distributed on an "AS IS" BASIS,
-rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-rem See the License for the specific language governing permissions and
-rem limitations under the License.
-rem
-
-rem This is the entry point for running a Spark class. To avoid polluting
-rem the environment, it just launches a new cmd to do the real work.
-
-
-rem Find the path of sbin
-set SBIN=%~dp0..\sbin\
-
-cmd /V /E /C %SBIN%spark-class2.cmd %*