v2.1 API which does not return the 'server_groups' and
'server_group_members' quotas in GET & PUT os-quota-class-sets
API response. v2 API used to return those keys in API response.
Also filter out the network related quotas from os-quota-class-sets
APIs
Fixing this with microversion.
Closes-Bug: #1701211
Closes-Bug: #1693168
implement-blueprint fix-quota-classes-api
Change-Id: I66aeb7a92fb5ee906fead78030bd84a2e97916e8
92e0efeefd