🦉 Updates from OwlBot post-processor

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

owl-bot-staging/java-infra-manager/v1/google-cloud-infra-manager/src/main/java/com/google/cloud/config/v1/ConfigSettings.java → java-infra-manager/google-cloud-infra-manager/src/main/java/com/google/cloud/config/v1/ConfigSettings.java

@@ -34,7 +34,6 @@
 import com.google.api.gax.rpc.ClientSettings;
 import com.google.api.gax.rpc.OperationCallSettings;
 import com.google.api.gax.rpc.PagedCallSettings;
-import com.google.api.gax.rpc.StubSettings;
 import com.google.api.gax.rpc.TransportChannelProvider;
 import com.google.api.gax.rpc.UnaryCallSettings;
 import com.google.cloud.config.v1.stub.ConfigStubSettings;

owl-bot-staging/java-infra-manager/v1/google-cloud-infra-manager/src/main/java/com/google/cloud/config/v1/stub/GrpcConfigStub.java → java-infra-manager/google-cloud-infra-manager/src/main/java/com/google/cloud/config/v1/stub/GrpcConfigStub.java

@@ -83,7 +83,6 @@
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
-import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 

owl-bot-staging/java-infra-manager/v1/google-cloud-infra-manager/src/main/java/com/google/cloud/config/v1/stub/HttpJsonConfigStub.java → java-infra-manager/google-cloud-infra-manager/src/main/java/com/google/cloud/config/v1/stub/HttpJsonConfigStub.java

@@ -35,7 +35,6 @@
 import com.google.api.gax.httpjson.ProtoMessageResponseParser;
 import com.google.api.gax.httpjson.ProtoRestSerializer;
 import com.google.api.gax.httpjson.longrunning.stub.HttpJsonOperationsStub;
-import com.google.api.gax.longrunning.OperationSnapshot;
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.OperationCallable;
 import com.google.api.gax.rpc.RequestParamsBuilder;