I could not delete wow client in setting

[alexqu0822]

Describe the bug Thx for the awosme ware! I am a wow-addon author. I have several wow clients in my computer for testing porpuse and I donot want to see some in the updater list. BUT after I delete some of the clients in the configure tab, they come back in the next running of wowup.

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[jliddev]

Changed to enhancement, will add some kind of "ignore" option to an installation.