Promote connector provider infos to a root-level access-review drivers query

Move connectorProviderInfos from Organization to a new root query field
accessReviewDrivers, backed by a deployment-scoped policy so any
authenticated identity can list it without an org-scoped permission check.
Delete the now-unused helper file and update the frontend and e2e tests.

Signed-off-by: Bryan Frimin <bryan@probo.com>

pkg/server/api/console/v1/graphql/organization.graphql

@@ -182,7 +182,6 @@ type Organization implements Node {
     ): SlackConnectionConnection! @goField(forceResolver: true)
     slackOAuth2Scopes: [String!]! @goField(forceResolver: true)
     connectors(filter: ConnectorFilter): [Connector!]! @goField(forceResolver: true)
-    connectorProviderInfos: [ConnectorProviderInfo!]! @goField(forceResolver: true)
 
     controls(
         first: Int