Context

It's an artifact from the past, I believe we forgot to remove this storage when we switched to an origination proof.

Manually testing the MR

Think very hard in what scenario we could need the boot sector.

n/a Document the interface of any function added or modified (see the coding guidelines)
n/a Document any change to the user interface, including configuration parameters (see node configuration)
n/a Provide automatic testing (see the testing guide).
n/a For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
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