Revert "spec/fixtures/site/Gemfile.lock file is not ignored"
Revert "spec/fixtures/site/Gemfile.lock file is not ignored"

This reverts commit 35fcd58248067b425c43c3a88c504b351cc1de41.

ashmaroli/jekyll-admin,jekyll/jekyll-admin,codegaze/jekyll-admin,jekyll/jekyll-admin,codegaze/jekyll-admin,ashmaroli/jekyll-admin,ashmaroli/jekyll-admin,jekyll/jekyll-admin,codegaze/jekyll-admin,ashmaroli/jekyll-admin,codegaze/jekyll-admin,jekyll/jekyll-admin