As Mick mentions in his remark, "to deem in shape" is a bit outdated-fashioned but not, I feel, enough that you should not learn the way to use the idiom. I would not call it "Victorian" English, as it's a phrase that sees frequent use even right now. This is https://arthurltzfn.frewwebs.com/37309369/clean-litter-practices-uae-an-overview