feat(D-01/D): V1 cleanup — delete 28 files, ~5400 lines removed
D1: ThreadLocal alert suppression moved from ItemCollar to CollarHelper.
onCollarRemoved() logic (kidnapper alert) moved to CollarHelper.
D2+D3: Deleted 17 V1 item classes + 4 V1-only interfaces:
ItemBind, ItemGag, ItemBlindfold, ItemCollar, ItemEarplugs, ItemMittens,
ItemColor, ItemClassicCollar, ItemShockCollar, ItemShockCollarAuto,
ItemGpsCollar, ItemChokeCollar, ItemHood, ItemMedicalGag,
IBondageItem, IHasGaggingEffect, IHasBlindingEffect, IAdjustable
D4: KidnapperTheme/KidnapperItemSelector/DispenserBehaviors migrated
from variant enums to string-based DataDrivenItemRegistry IDs.
D5: Deleted 11 variant enums + Generic* factories + ItemBallGag3D:
BindVariant, GagVariant, BlindfoldVariant, EarplugsVariant, MittensVariant,
GenericBind, GenericGag, GenericBlindfold, GenericEarplugs, GenericMittens
D6: ModItems cleaned — all V1 bondage registrations removed.
D7: ModCreativeTabs rewritten — iterates DataDrivenItemRegistry.
D8+D9: All V2 helpers cleaned (V1 fallbacks removed), orphan imports removed.
Zero V1 bondage code references remain (only Javadoc comments).
All bondage items are now data-driven via 47 JSON definitions.
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