Add option to force removing Dockerfile.stfubuntu

.jenkins.sh

@@ -11,5 +11,5 @@ run_dir=`pwd`
 
 # Docker version 2
 cd docker
-./build.sh --force-stfubuntu
+./build.sh #--force-stfubuntu
 #./run.sh

docker/build.sh

@@ -5,13 +5,12 @@
 set -e
 set -vx
 
-docker rmi --force d0b05678a094 9310abbc92ea 32bef9236bf9 f26e886b6046 58bbd8def0c3 182f11bd2eb8 54f87cbef968 c7e282d1c7f5 e576d61a1f83 e759f038a1fc 7dacfbb118af  b951baae53cd 1e84fcfbb1e1 b00efa316441 e87dd078f655 775349758637
+docker rmi --force b5950301dd8c
 
 docker images
 
 docker ps -a
 
-
 # Force removing stfubuntu docker image
 if [ "$1" == "--force-stfubuntu" ]; then
     if [ -n `docker images -q stfubuntu` ]; then