--- synopsis: Remove experimental repl-flake significance: significant issues: 10103 prs: 10299 --- This PR removes the repl-flake feature that was adopted to provide a migration path when changing the behavior of `nix repl`. Moving forward this command will behave more like the rest of the modern cli. - Removes any repl-flake references. - Removes the parts of `applyDefaultInstallables` that are no longer needed in repl.cc. - Fix/Add any tests.