Move API client generation into influxdb

[chnn]

See RFC for motivation.

• Generate an API client and types from the http/swagger.yml spec and oats
• Replace all usages of the @influxdata/influx package to use this generated code

Remaining work

• Use locally generate API utils
  • client.auth (refactor(ui): migrate signin/signout to generated client #14611)
  • client.authorizations (refactor(ui): migrate authorizations CRUD to generated client #14831)
  • client.buckets
  • client.dashboards (chore(ui): refactored dashboards client API to oats generated types and API #16438)
  • client.labels (chore(ui): label client refactor complete #16361)
  • client.links
  • client.organizations
  • client.queries
  • client.scrapers
  • client.setup
  • client.tasks (chore(ui): refactored tasks to use oats rather than client library #16353)
  • client.telegrafConfigs
  • client.users
  • client.variables (chore(ui): refactored variables client API to oats generated types and API  #16400)
  • client.write
  • client.templates
  • client.checks
  • client.notificationRules