Cloudwatch: Revert aws sdk go v2 (#103644)

* Revert "CloudWatch: Import new grafana-aws-sdk with PDC fix (#103249)"

This reverts commit f2b5b4e0c0.

* Revert "CloudWatch: Migrate to aws-sdk-go-v2 (#103106)"

This reverts commit a65cc0df93.

* make update-workspace

pkg/tsdb/cloudwatch/mocks/metrics_client.go

@@ -3,8 +3,7 @@ package mocks
 import (
 	"context"
 
-	"github.com/aws/aws-sdk-go-v2/service/cloudwatch"
-
+	"github.com/aws/aws-sdk-go/service/cloudwatch"
 	"github.com/grafana/grafana/pkg/tsdb/cloudwatch/models/resources"
 	"github.com/stretchr/testify/mock"
 )
@@ -13,7 +12,7 @@ type FakeMetricsClient struct {
 	mock.Mock
 }
 
-func (m *FakeMetricsClient) ListMetricsWithPageLimit(_ context.Context, params *cloudwatch.ListMetricsInput) ([]resources.MetricResponse, error) {
+func (m *FakeMetricsClient) ListMetricsWithPageLimit(ctx context.Context, params *cloudwatch.ListMetricsInput) ([]resources.MetricResponse, error) {
 	args := m.Called(params)
 	return args.Get(0).([]resources.MetricResponse), args.Error(1)
 }