As per the title. I made the mistake of doing this to the Bathroom - Lower - Women's room and there are no longer cleaning or building options available. You can see it's still classified as not built via the HQ Layout option but not available to be built or cleaned via facilities. So I guess don't delete cleaning markers...whoops.
Edit: There is also some contradictory information during the HQ tutorial. It states you can send settlers to the HQ but they won't be assignable until you have enough living space for them so they will remain in Facilities. However, if you try to send more staff to the HQ than there is living space for via a settlement, you are given a prompt stating more living space must be built at the HQ. So in effect, the first statement during the HQ tutorial is false as you can not send settlers to the HQ unless you have adequate living space.
Edit: There is also some contradictory information during the HQ tutorial. It states you can send settlers to the HQ but they won't be assignable until you have enough living space for them so they will remain in Facilities. However, if you try to send more staff to the HQ than there is living space for via a settlement, you are given a prompt stating more living space must be built at the HQ. So in effect, the first statement during the HQ tutorial is false as you can not send settlers to the HQ unless you have adequate living space.
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