[HUDI-580] Fix incorrect license header in files

docker/demo/get_min_commit_time.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-################################################################################
+
 #  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
@@ -15,7 +15,6 @@
 #  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.
-################################################################################
 
 MIN_COMMIT_TIME=`hdfs dfs -ls -t /user/hive/warehouse/stock_ticks_cow/.hoodie/*.commit  | head -1 | awk -F'/' ' { print $7 } ' | awk -F'.' ' { print $1 } '`
 echo $MIN_COMMIT_TIME;