Simplify reposUpdate.py. Retrying (and backing off) is now loopBot's responsibility.
Simplify reposUpdate.py. Retrying (and backing off) is now loopBot's responsibility.

MozillaSecurity/funfuzz,nth10sd/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz