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 tell whether this definition defines the answer.

'paint it out' is the wordplay.
'out' suggests deleting specific letters.
'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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