fix(specs): drop singer from ingestion specs [skip-bc] (generated)

algolia/api-clients-automation#4281

Co-authored-by: algolia-bot <accounts+algolia-api-client-bot@algolia.com>
Co-authored-by: Clément Vannicatte <vannicattec@gmail.com>

Author: algolia-bot

Sources/Ingestion/IngestionClient.swift

@@ -2988,7 +2988,7 @@ open class IngestionClient {
     }
 
     // Triggers a stream-listing request for a source. Triggering stream-listing requests only works with sources with
-    // `type: docker` and `imageType: singer`.
+    // `type: docker` and `imageType: airbyte`.
     // Required API Key ACLs:
     //  - addObject
     //  - deleteIndex

Sources/Ingestion/Models/DockerImageType.swift

@@ -8,7 +8,6 @@ import Foundation
 
 /// Image type.
 public enum DockerImageType: String, Codable, CaseIterable {
-    case singer
     case custom
     case airbyte
 }

Sources/Ingestion/Models/DockerStreamsInput.swift

@@ -6,7 +6,7 @@ import Foundation
     import Core
 #endif
 
-/// The selected streams of a singer or airbyte connector.
+/// The selected streams of an airbyte connector.
 public struct DockerStreamsInput: Codable, JSONEncodable {
     public var streams: [DockerStreams]