My suggestion is to either remove raid items and give the correct amount of boss slayer points for them OR just keep the raid items in-game.

IF you are going to remove them and give the correct amount of boss slayer points, i suggest adding some good items to the shop. Without raid items the shop is pretty much useless.
Suggestions to add to boss slayer shop:

3rd age box - contains every 3rd age peice from 3rd age armour peices to weapons. Same rates for each 3rd age piece.(we can decide the price)

Partyhat box - contains every partyhat in-game. Black phat at 50% chance, Rainbow phat at 25% chance. Regular partyhats 4.16% chance (which would mean the set would be 25% total chance)

H'ween mask box - Contains every h'ween. Black h'ween at 70% chance, red blue and green at 10% each.

Santa hat box - Contains every santa hat ingame. Black santa at 80% chance, regular santa at 10%, inverted santa at 10%

Maybe add some random cosmetic peices e.g. Flippers, sythe, sled.