feat: remove pre-mine create commands from the console wallet (#6451)

Description
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Removed pre-mine create commands and associated code from the console
wallet.

Motivation and Context
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This is a simple task and a console wallet is not needed to perform it.

How Has This Been Tested?
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Code compiled successfully.
Unit tests pass.

What process can a PR reviewer use to test or verify this change?
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Code review.

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Breaking Changes
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- [x] None
- [ ] Requires data directory on base node to be deleted
- [ ] Requires hard fork
- [ ] Other - Please specify

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