pkg/machine/qemu: rm unused code

Looks like this is a forgotten part of commit 9bb191df5
("[CI:MACHINE]Podman5 QEMU refactor"). The reason is,
linters for Windows skip pkg/machine/qemu, and linters
for freebsd are not run at all.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

pkg/machine/qemu/machine_windows.go

@@ -5,8 +5,6 @@ package qemu
 import (
 	"bytes"
 	"fmt"
-	"regexp"
-	"strings"
 
 	"github.com/containers/podman/v5/pkg/machine"
 )
@@ -27,29 +25,6 @@ func checkProcessStatus(processHint string, pid int, stderrBuf *bytes.Buffer) er
 	return nil
 }
 
-func pathsFromVolume(volume string) []string {
-	paths := strings.SplitN(volume, ":", 3)
-	driveLetterMatcher := regexp.MustCompile(`^(?:\\\\[.?]\\)?[a-zA-Z]$`)
-	if len(paths) > 1 && driveLetterMatcher.MatchString(paths[0]) {
-		paths = strings.SplitN(volume, ":", 4)
-		paths = append([]string{paths[0] + ":" + paths[1]}, paths[2:]...)
-	}
-	return paths
-}
-
-func extractTargetPath(paths []string) string {
-	if len(paths) > 1 {
-		return paths[1]
-	}
-	target := strings.ReplaceAll(paths[0], "\\", "/")
-	target = strings.ReplaceAll(target, ":", "/")
-	if strings.HasPrefix(target, "//./") || strings.HasPrefix(target, "//?/") {
-		target = target[4:]
-	}
-	dedup := regexp.MustCompile(`//+`)
-	return dedup.ReplaceAllLiteralString("/"+target, "/")
-}
-
 func sigKill(pid int) error {
 	return nil
 }

pkg/machine/qemu/options_freebsd.go

@@ -1,19 +0,0 @@
-//go:build freebsd
-
-package qemu
-
-import (
-	"os"
-)
-
-func getRuntimeDir() (string, error) {
-	tmpDir, ok := os.LookupEnv("TMPDIR")
-	if !ok {
-		tmpDir = "/tmp"
-	}
-	return tmpDir, nil
-}
-
-func useNetworkRecover() bool {
-	return false
-}

pkg/machine/qemu/options_windows.go

@@ -1,19 +0,0 @@
-//go:build windows
-
-package qemu
-
-import (
-	"os"
-)
-
-func getRuntimeDir() (string, error) {
-	tmpDir, ok := os.LookupEnv("TEMP")
-	if !ok {
-		tmpDir = os.Getenv("LOCALAPPDATA") + "\\Temp"
-	}
-	return tmpDir, nil
-}
-
-func useNetworkRecover() bool {
-	return false
-}