Correct the self-improvement pack's step and script counts

The Self-Improvement Loop lab described the pack as it was before the
simplification: a six-step audit workflow and two scripts. The shipped pack
declares three workflow steps and carries one script, so the page described a
shape participants would not find when they installed it.

City: city · Agent: local-core.builder-5

Author: austinborn

hardening/05-self-improvement-loop.md

@@ -169,7 +169,7 @@ cd "$FACTORY_PATH"
 gc import add $SFI_PATH/sf-tutorial/artifacts/packs/self-improvement
 ```
 
-It ships a daily order, a six-step audit workflow, and two small scripts. Read [its README](../artifacts/packs/self-improvement/README.md) before installing, because it gates on an environment variable, dispatches its workflow directly instead of asking an agent to run it, and takes its cadence from the last completed pass rather than the last time the order fired.
+It ships a daily order, a three-step audit workflow, and one small script. Read [its README](../artifacts/packs/self-improvement/README.md) before installing, because it gates on an environment variable, dispatches its workflow directly instead of asking an agent to run it, and takes its cadence from the last completed pass rather than the last time the order fired.
 
 ## Troubleshooting