storage: Revert back to have default storage local configuration
storage: Revert back to have default storage local configuration

The webapp node, moma, need that default and it got unnoticed earlier.

Related to T2790

SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site