Remove unnecessary no_clone check.
Remove unnecessary no_clone check.

If a git repository already exists, it would just try syncing, rather than
re-cloning. Shared folders worked fine with this, so this check was
unnecessary.

osuosl-cookbooks/ganeti_webmgr,ecnahc515/ganeti_webmgr_cookbook,osuosl-cookbooks/ganeti_webmgr,chancez/ganeti_webmgr_cookbook,osuosl-cookbooks/ganeti_webmgr