Your options are 1) use the default client
2) search the forums before posting to find the very recent and very explicit description of how to do just this
3) search the forums and find Judaism's radar.xml download that removes all the spammy stuff.
But yes good advice for the long run would be to get used to searching at least a good few minutes for a solution, as most of the time it's already been asked and responded to

I say this because with the release coming up, there will be a flood of new players and if everyone makes a new post for the same issue, the mods' heads might explode having to merge/moderate all the repeats is all.
Exactly 6.022 x 10^23 worth of Lach molecules.