VOL-2153 remove flow_utils.go from voltha-go

Change-Id: I81bdc9ed78e6a6b00a176f9c8366ff56fb7777b0
diff --git a/go.sum b/go.sum
index 5331e02..4831e35 100644
--- a/go.sum
+++ b/go.sum
@@ -192,8 +192,8 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-lib-go v0.0.0-20191023185531-80258b36a64b h1:s3zvCa27RhpVy+wCk5R4iKa9H61B1MzbSL2164B1w68=
-github.com/opencord/voltha-lib-go v0.0.0-20191023185531-80258b36a64b/go.mod h1:+bjwfm5bbP1j6liscpn3UFqbh6hHDkmLDWU3AdYLDY4=
+github.com/opencord/voltha-lib-go v0.0.0-20191024175357-456b893dc42c h1:+8iex9a0qDyuNqCXfy2SBHOK0Cfiev38RhQqkIitpew=
+github.com/opencord/voltha-lib-go v0.0.0-20191024175357-456b893dc42c/go.mod h1:VDb+kLjSvAm4iaArzXB143fug199CG0/wv+Bseh1mcM=
 github.com/opencord/voltha-protos v1.0.3 h1:9v+R/QGF1xK+HKTqFM0IqCABoGCAxC8iKH4VzNBJDto=
 github.com/opencord/voltha-protos v1.0.3/go.mod h1:myfFIkJdA+rCXmKdLImhh79MfabN4ZOKQ4grk32DnPQ=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=