docs(docs): Advent of Code Day 1 - remove 'docs/generated' from .gitignore - needed on day 11

Author: markscott-ms

advent-of-calm/day-1.md

@@ -82,7 +82,6 @@ Create `.gitignore`:
 node_modules/
 .DS_Store
 *.log
-docs/generated/
 .vscode/settings.json
 **/.docusaurus/
 ```