To all the nay-sayers about Fireball and Meteor, I was saying to remove the UNIT, not the spell. The alternative to the spell ought to be more attractive as it allows the caster to gain XP. But mostly, he asked what YOU would cut, and that is something I would so
Even though I love summons with all my heart, I would agree that if they have nothing unique to offer, they ought to be axed, but IMO that means replaced, so this is not quite the appropriate place to fight that fight for me.
I'd ditch the Swordsman/Axeman dual unit mechanic, but there isn't much to be gained by dropping it. I just don't like having a seperate unit just to change the graphic of their weapon.
Honestly, I think Siege units have about had it. Make Dwarven Siege units UU's, or replacements for Chariots. Allow all of the Bombarding of defenses to be Magical, or grant it as a special ability on other creatures/units. Especially now that defenses will be lower all around, Siege is just... done.
For Buildings, the ones I see as able to be removed/consolidated are: Alchemy Lab, Aqueduct, Ring of Warding, Forbidden Palace & Winter Palace (Encourages expansion too much in a game where many are struggling to keep untamed wilderness throughout the game)
All the other buildings I still see some use for, or they enable units.