Remove Syzygy-related code from the Sawbuck repository.
-rw-r--r-- 2287 .gitignore
-rw-r--r-- 655 .gitmodules
-rw-r--r-- 3306 DEPS.sawbuck
-rw-r--r-- 233 codereview.settings
drwxr-xr-x - sawbuck
drwxr-xr-x - sawdust
drwxr-xr-x - third_party