chore: remove unused imports (#613)

* chore: remove unused imports

PiperOrigin-RevId: 439598143

Source-Link: googleapis/googleapis@63db84f

Source-Link: googleapis/googleapis-gen@bee5a91
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYmVlNWE5MTE1NGQxYzdjZWRhNjMwM2Q2YzY5ZGQwNzU1OGEzYmFkZCJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Jeffrey Rennie <[email protected]>

Author: gcf-owl-bot[bot]

packages/google-cloud-tasks/protos/google/cloud/tasks/v2/queue.proto

@@ -21,7 +21,6 @@ import "google/api/resource.proto";
 import "google/cloud/tasks/v2/target.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/tasks/v2;tasks";
 option java_multiple_files = true;

packages/google-cloud-tasks/protos/google/cloud/tasks/v2/target.proto

@@ -18,7 +18,6 @@ syntax = "proto3";
 package google.cloud.tasks.v2;
 
 import "google/api/field_behavior.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/tasks/v2;tasks";
 option java_multiple_files = true;

packages/google-cloud-tasks/protos/google/cloud/tasks/v2/task.proto

@@ -22,7 +22,6 @@ import "google/cloud/tasks/v2/target.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
 import "google/rpc/status.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/tasks/v2;tasks";
 option java_multiple_files = true;