getModuleDeps: replace Split() loop with ReplaceAllString() (MR 12)

This should do the same as far as I can tell :)

(cherry picked from commit 866f17b86f)

.gitlab-ci.yml

@@ -31,7 +31,7 @@ gofmt linting:
     - apk -q update --repository http://dl-4.alpinelinux.org/alpine/edge/testing
     - apk -q add --repository http://dl-4.alpinelinux.org/alpine/edge/testing go staticcheck
   script:
-    - .ci/check_linting.sh
+    - .gitlab-ci/check_linting.sh
 
 build:
   stage: build

main.go

@@ -86,29 +86,18 @@ func bootDeploy(workDir string, outDir string) error {
 	if len(kernels) == 0 {
 		return errors.New("Unable to find any kernels at " + filepath.Join(outDir, "vmlinuz*"))
 	}
-
+	kernFile, err := os.Open(kernels[0])
-	// Pick a kernel that does not have suffixes added by boot-deploy
-	var kernFile string
-	for _, f := range kernels {
-		if strings.HasSuffix(f, "-dtb") || strings.HasSuffix(f, "-mtk") {
-			continue
-		}
-		kernFile = f
-		break
-	}
-
-	kernFd, err := os.Open(kernFile)
 	if err != nil {
 		return err
 	}
-	defer kernFd.Close()
+	defer kernFile.Close()
 
 	kernFileCopy, err := os.Create(filepath.Join(workDir, "vmlinuz"))
 	if err != nil {
 		return err
 	}
 
-	if _, err = io.Copy(kernFileCopy, kernFd); err != nil {
+	if _, err = io.Copy(kernFileCopy, kernFile); err != nil {
 		return err
 	}
 	kernFileCopy.Close()
@@ -414,7 +403,6 @@ func getInitfsFiles(files misc.StringSet, devinfo deviceinfo.DeviceInfo) error {
 		"/usr/sbin/telnetd":   false,
 		"/sbin/kpartx":        false,
 		"/etc/deviceinfo":     false,
-		"/usr/bin/unudhcpd":   false,
 	}
 
 	// Hook files & scripts