removing extra line

dev-support/bin/create-release

@@ -523,6 +523,7 @@ function dockermode
     echo "USER ${user_name}"
     printf "\n\n"
   ) | docker build -t "${imgname}" -f - "${BASEDIR}"/dev-support/docker/
+
   run docker run -i -t \
     --privileged \
     "${extrad[@]}"  \