Removed development option from feature helper (#2164)
Removed development option from feature helper (#2164)

no-issue

We now calculate whether or not a flag is enabled on the server, so this
extra check is redundant. It also means that when we promote a flag to
GA on the server this check will still take places, meaning that we need
to make two commits to promote a flag to GA.
TryGhost/Ghost-Admin,TryGhost/Ghost-Admin