Description

This PR removes long-running Snap endowment/permission.

Snaps team have decided to remove this endowment because of its unpredictable security concerns around running Snaps indefinitely. This endowment is removed in favor of the new endowments that will be focused on solving certain use cases that require snap to be running for more time than default.

Related issues

Fixes #945

Related PR

MetaMask/snaps#1751 (required)
MetaMask/metamask-docs#919

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