Remove unused feature gated code from the minimal template (#5237)
- Progresses https://github.com/paritytech/polkadot-sdk/issues/5226 There is no actual `try-runtime` or `runtime-benchmarks` functionality in the minimal template at the moment.
- Progresses https://github.com/paritytech/polkadot-sdk/issues/5226 There is no actual `try-runtime` or `runtime-benchmarks` functionality in the minimal template at the moment.