cleanup

Imports

• github.com/google/exposure-notifications-server/pkg/logging
• go.uber.org/zap
• github.com/google/exposure-notifications-server/pkg/cache

Imports in module “github.com/google/exposure-notifications-verification-server”

• github.com/google/exposure-notifications-verification-server/pkg/config
• github.com/google/exposure-notifications-verification-server/pkg/database
• github.com/google/exposure-notifications-verification-server/pkg/render

Standard library imports

• context
• fmt
• net/http
• time