fix(BA-2851): Remove useless comment

Author: hhoikoo

src/ai/backend/agent/resources.py

@@ -84,8 +84,6 @@
 log = BraceStyleAdapter(logging.getLogger(__spec__.name))
 known_slot_types: Mapping[SlotName, SlotTypes] = {}
 
-# FIXME: Move the errors to separate files
-
 
 def _combine_mappings(mappings: list[Mapping[SlotName, Decimal]]) -> dict[SlotName, Decimal]:
     combined: dict[SlotName, Decimal] = {}