cleanup: use slices package

This commit replaces the user implemented function
`CheckSliceContains()` with `slices.Contains()`
function introduced in Go 1.21.

Signed-off-by: Praveen M <m.praveen@ibm.com>

internal/rbd/rbd_attach.go

@@ -21,6 +21,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
+	"slices"
 	"strings"
 	"time"
 
@@ -363,7 +364,7 @@ func attachRBDImage(ctx context.Context, volOptions *rbdVolume, device string, c
 }
 
 func appendNbdDeviceTypeAndOptions(cmdArgs []string, userOptions, cookie string) []string {
-	isUnmap := util.CheckSliceContains(cmdArgs, "unmap")
+	isUnmap := slices.Contains(cmdArgs, "unmap")
 	if !isUnmap {
 		if !strings.Contains(userOptions, useNbdNetlink) {
 			cmdArgs = append(cmdArgs, "--"+useNbdNetlink)

internal/util/util.go

@@ -383,17 +383,6 @@ func CallStack() string {
 	return string(stack)
 }
 
-// CheckSliceContains checks the slice for string.
-func CheckSliceContains(options []string, opt string) bool {
-	for _, o := range options {
-		if o == opt {
-			return true
-		}
-	}
-
-	return false
-}
-
 // GetVolumeContext filters out parameters that are not required in volume context.
 func GetVolumeContext(parameters map[string]string) map[string]string {
 	volumeContext := map[string]string{}
@@ -403,7 +392,7 @@ func GetVolumeContext(parameters map[string]string) map[string]string {
 		topologyPoolsParam,
 	}
 	for k, v := range parameters {
-		if !CheckSliceContains(notRequiredParams, k) {
+		if !slices.Contains(notRequiredParams, k) {
 			volumeContext[k] = v
 		}
 	}