Nothing wrong with a 24 Pan or 32 Plossl, but I consider a 2" diagonal and 2" eyepieces with larger field stops desirable with refractors. Being able to achieve very wide true fields of view and see larger objects is one of a refractor's key strengths to my way of thinking, but we all have our own viewing preferences.
Some of this may depend on what 2" eyepieces you have (and if you have some 2" nebula filters.) If you have ones that are well corrected in the outer field and have field stops greater than 40mm then you can't really replace those views with 1.25" eyepieces with only 27mm field stops. At f/9 I would be using a 55 Plossl for widest field and largest exit pupil, and I use a 41 Pan at f/6 for the same. I use a 31T5, 26T5. and 20T5 for scale and field size in between.
If you have 2" eyepieces with poorer edge correction then you might not find the outer field as useful/pleasant to take it in. In that case it might make more sense to keep your best 2" diagonal, get rid of poorer performing 2" eyepieces, and pick up a 2" eyepiece or two that are more effective with your scopes.
At any rate, I would keep at least one 2" diagonal. That provides flexibility for the future.