F# (Mono), 54 bytes
let f=Seq.where((<>)(0,0))(Seq.allPairs[-1..1][-1..1])
44 bytes - thanks to Laikoni:
let f=Seq.tail(Seq.allPairs[0;-1;1][0;-1;1])
2 of 2
added 85 characters in body
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