Deduplicate "Brainfuck generator" kata

[hobovsky]

1. Brainfuck generator

• Published Jul 2016, author active.
• No pending issues.
• Pending Rust translation.

2. Generate BF Program from Target Output

• Published Dec 2016, author active.
• One pending issue.
• Pending Java translation.

Both kata are very similar: ranked as 6 kyu, and have similar satisfaction (~95%) and completion rate (~100+ solutions). They accept the same type of solutions (the most trivial programs, not optimized for length of code).
Both kata have the same amount of translations and languages, and no overlap between them. Whichever kata gets selected to stay, the other one will have to be merged into it.

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Conclusion:

• Retire Generate BF Program from Target Output
• Keep Brainfuck generator and move translations from 2.

[hobovsky]

Since both kata are very similar, I vote to keep the older one (i.e. 1.).
As both authors are active, I'd hope they'd help with migration of translations ;)

[wtlgo]

I also think we should merge the second one into the first one, and keep the first.

[Blind4Basics]

Authors should almost discuss between them to get an agrement. If they cannot, then the community could step up and take over the decision?

[ejini6969]

I haven't solved any of them, but I do not have any preference whatsoever.

[Kacarott]

I agree with keeping 1. In the case where two katas are of about equivalent quality, the older one should always be prioritised.

[2bitsin]

Author of first one here
I'm fine with whatever action you take.

[monadius]

The second kata has an incorrect BF interpreter (at least in JS): the command . does not output 0.

[monadius]

I vote to keep 1 and retire 2. It will be easy to move 2 languages; moreover, this kata deserves more translations.

[hobovsky]

Since both authors explicitly stated they will be fine with any decision, I think it's OK to conclude early.