update generated pages .gitignore

docs/pages/css/.gitignore

@@ -1,7 +1,6 @@
 some/file.md
 # DO NOT EDIT: automatically generated by ignore.js
 whats-new/changelog.md
-packages/primer.md
 components/alerts.md
 components/avatars.md
 support/base.md
@@ -10,13 +9,11 @@ components/box.md
 components/branch-name.md
 components/breadcrumb.md
 components/buttons.md
-packages/primer-core.md
 components/forms.md
 components/labels.md
 objects/layout.md
 objects/grid.md
 components/markdown.md
-packages/primer-marketing.md
 components/marketing-buttons.md
 support/marketing-variables.md
 utilities/marketing-type.md
@@ -29,7 +26,6 @@ utilities/marketing-padding.md
 components/navigation.md
 components/pagination.md
 components/popover.md
-packages/primer-product.md
 components/progress.md
 components/subhead.md
 support/breakpoints.md