Minor improvements to ruby:
Minor improvements to ruby:

- Dump “block” based code generation.
- Remove timestamp from top matter
- Fix name_string such that it doesn’t mess with pluralisation

codeck/xdrgen,stellar/xdrgen,stellar/xdrgen,stellar/xdrgen,stellar/xdrgen,stellar/xdrgen,nullstyle/xdrgen,nullstyle/xdrgen,codeck/xdrgen,stellar/xdrgen