Cloudwatch: Remove core imports from infra/log (#81543)

* Cloudwatch: use logging from plugin-sdk-go instead of infra/log
* Add a link to the TODO issue for moving `instrumentContext`

pkg/tsdb/cloudwatch/metric_data_input_builder_test.go

@@ -9,6 +9,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
+	"github.com/grafana/grafana-plugin-sdk-go/backend/log"
 	"github.com/grafana/grafana/pkg/tsdb/cloudwatch/models"
 )
 
@@ -26,13 +27,13 @@ func TestMetricDataInputBuilder(t *testing.T) {
 
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
-			executor := newExecutor(nil, &fakeSessionCache{})
+			executor := newExecutor(nil, &fakeSessionCache{}, log.NewNullLogger())
 			query := getBaseQuery()
 			query.TimezoneUTCOffset = tc.timezoneUTCOffset
 
 			from := now.Add(time.Hour * -2)
 			to := now.Add(time.Hour * -1)
-			mdi, err := executor.buildMetricDataInput(logger, from, to, []*models.CloudWatchQuery{query})
+			mdi, err := executor.buildMetricDataInput(from, to, []*models.CloudWatchQuery{query})
 
 			assert.NoError(t, err)
 			require.NotNil(t, mdi)