remove back as its not needed here
remove back as its not needed here

Services will have already started to be deployed, going
back in this scenario doesn't make sense.

Signed-off-by: Adam Stokes <0a364f4bf549cc82d725fa7fd7ed34404be64079@ubuntu.com>

ubuntu/conjure-up,conjure-up/conjure-up,battlemidget/conjure-up,ubuntu/conjure-up,Ubuntu-Solutions-Engineering/conjure,battlemidget/conjure-up,conjure-up/conjure-up,Ubuntu-Solutions-Engineering/conjure