Delete unused SpeechClient.cancelTask action from SpeechRecognition example (#645)

Author: filblue

Examples/SpeechRecognition/SpeechRecognition/SpeechClient/Client.swift

@@ -3,7 +3,6 @@ import ComposableArchitecture
 import Speech
 
 struct SpeechClient {
-  var cancelTask: (AnyHashable) -> Effect<Never, Never>
   var finishTask: (AnyHashable) -> Effect<Never, Never>
   var recognitionTask: (AnyHashable, SFSpeechAudioBufferRecognitionRequest) -> Effect<Action, Error>
   var requestAuthorization: () -> Effect<SFSpeechRecognizerAuthorizationStatus, Never>

Examples/SpeechRecognition/SpeechRecognition/SpeechClient/Live.swift

@@ -4,12 +4,6 @@ import Speech
 
 extension SpeechClient {
   static let live = SpeechClient(
-    cancelTask: { id in
-      .fireAndForget {
-        dependencies[id]?.cancel()
-        dependencies[id] = nil
-      }
-    },
     finishTask: { id in
       .fireAndForget {
         dependencies[id]?.finish()

Examples/SpeechRecognition/SpeechRecognition/SpeechClient/Mock.swift

@@ -5,9 +5,6 @@ import Speech
 #if DEBUG
   extension SpeechClient {
     static func mock(
-      cancelTask: @escaping (AnyHashable) -> Effect<Never, Never> = { _ in
-        fatalError("cancelTask is not implemented in this mock.")
-      },
       finishTask: @escaping (AnyHashable) -> Effect<Never, Never> = { _ in
         fatalError("finishTask is not implemented in this mock.")
       },
@@ -19,7 +16,6 @@ import Speech
       }
     ) -> Self {
       Self(
-        cancelTask: cancelTask,
         finishTask: finishTask,
         recognitionTask: recognitionTask,
         requestAuthorization: requestAuthorization