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    Fixed logic of the storage migration to triple reference counting. (#10337) · af643832
    remzrn authored
    * Fixed logic of the storage migration to triple reference counting. The previous behaviour made it impossible for any chain not already upgraded to dual reference counting to upgrade the runtime.
    
    * +Removed the on_runtime_upgrade() function from frame-system.
    +Removed the specific migration .anciallaries from the frame-system pallet level.
    +Introducted a new module that hosts self-contained ancillary functions and logic to perform the storage migration. The current logic attempts to infer the state of the storage based on whether or not a given migration can be conducted.
    
    * Formatting.
    
    * + Removed specific AccountData struct. AccountData must now be provided during the runtime implementation of the trait V2ToV3.
    + Removed apply function.
    + Made the individual translation function self-sufficient.
    
    * + Removed unused decorators.
    af643832