Don't set arg defaults for config items
Don't set arg defaults for config items

Since args override configuration file values, setting a default value
for an argument will always mask the configuration file value.

bfontecc007/osbs-client,bfontecc007/osbs-client,DBuildService/osbs-client,vrutkovs/osbs-client,projectatomic/osbs-client,DBuildService/osbs-client,projectatomic/osbs-client,vrutkovs/osbs-client