Not exactly sure the year the Tour II’s came out, but it was in the early 90’s, maybe 1993. Tolerances on those clubs back in the day were not that great, so you could have an 8 iron that is 4 grams under tolerance and the 7 that is 3 grams over, for example, resulting in them being the same weight. That model did not have the weight port in the hosel. Those came later so there shouldn’t be a lead plug in a hosel weight port. As far as what to do, you would have to add seven grams to the eight (assuming it is light and the 7 isn’t heavy) to maintain the progression of length and swing weight. If the 7 is heavy, you can’t really reduce the weight by seven grams, unless you want to grind the weight off the head. If you want to just leave the head weights as they are, you will have to tip the shafts the same and play them the same length. Not sure why you would want to do that, but if the swing weight is important to you, without manipulating the head weights, that is what you would have to do. Same scenario goes for the 9 and PW, although it is much more common for the 9 and PW to be played at the same length. I would just trim the shafts the same and cut to the same length on the 9 and PW. Same goes for the SW and LW. Your real issue is with the 7 and 8. For consistency sake in length progression and in distance gapping, the 7 and the 8 really should be 1/2 different in length. I would rather have the length correct than the swing weight.
Not sure if this is applicable in your case but…
I recall a lot of Golfsmith heads had weight ports at the bottom of the hosel. I would ensure no weights are installed, and if so remove them. I would guess they’re lead, so should be easy to drill out.