I found 2 more unused cutscenes that both come from Old Clockworks. These are possibly the last 2 unused cutscenes, but I'll have to search a little more.
"warehouse_bully" - a seemingly test cutscene for the Slammer given its length. The filename suggests that this cutscene would have played in the Warehouse, but in the final game no cutscenes play in that room. This could have also been a possibly early version of a cutscene that is used, such as "courtyard_bully" could be in Haunted Towers.
"luigi_fall" - a cutscene that was most likely scrapped between the 2011 and 2012 demos, as the animation that plays when Luigi picks up the unidentified object is almost identical to the early key collected animation that plays in both demos (it could be argued that it could've been scrapped closer to release since the animation that plays right before Polterpup steals the key to the Hollow Tree in the final game is pretty similar too, but I digress).
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