refactor: Remove `logging` and `gravatar` packages (#28834)

apps/meteor/.meteor/packages

apps/meteor/.meteor/versions

...or/app/lib/server/functions/getAvatarSuggestionForUser.ts

apps/meteor/app/lib/server/functions/saveUser.js

.../meteor/definition/externals/meteor/jparker-gravatar.d.ts

apps/meteor/package.json

apps/meteor/server/stream/stdout.ts

packages/log-format/.eslintrc.json

packages/log-format/package.json

packages/log-format/src/index.ts

packages/log-format/tsconfig.json

yarn.lock