fix lint

Author: sv-splunk

receiver/oracledbreceiver/scraper.go

@@ -106,7 +106,6 @@ type oracleScraper struct {
 	tablespaceUsageClient      dbClient
 	systemResourceLimitsClient dbClient
 	sessionCountClient         dbClient
-	samplesQueryClient         dbClient
 	oracleQueryMetricsClient   dbClient
 	oraclePlanDataClient       dbClient
 	db                         *sql.DB

receiver/oracledbreceiver/scraper_test.go

@@ -8,7 +8,6 @@ import (
 	"database/sql"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"log"
 	"os"
 	"path/filepath"
@@ -253,7 +252,7 @@ func TestScraper_ScrapeTopNLogs(t *testing.T) {
 					Err: errors.New("Mock error"),
 				}
 			},
-			errWanted: fmt.Sprintf("error executing oracleQueryMetricsSQL: Mock error"),
+			errWanted: "error executing oracleQueryMetricsSQL: Mock error",
 		},
 	}