1240d760

By: Tom Sydney Kerckhove <syd@cs-syd.eu>

Rename RemoveGuard to ConstBool and add False replacement

The operator was misnamed — it replaces any Bool-typed expression with a
constant, not specifically guards. Renaming to ConstBool and extending it
to also replace with False doubles the mutation coverage for boolean conditions.
forwardCompatibilitymutation-really-safe-moneymutation-releasemutation-safe-coloured-textpre-commitreleaseshellconfiguredevShelldefaultx86_64-linux