Paint it out, that's all! (3)

I believe the answer is:

pan

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'that's all' is the definition.
I can't judge whether this defines the answer.

'paint it out' is the wordplay.
'out' is a deletion indicator.
'paint' with 'it' removed is 'PAN'.

Can you help me to learn more?

(Other definitions for pan that I've seen before include "Toilet bowl" , "Sweep" , "search for gold and > god" , "Wash gravel" , "Arcadian god" .)

I've seen this clue in the Evening Standard.

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