Revert "Merge pull request 101888 from kolyshkin/update-runc-rc94"

This reverts commit b1b06fe0a4, reversing
changes made to 382a33986b.

vendor/github.com/cilium/ebpf/internal/pinning.go

@@ -1,44 +0,0 @@
-package internal
-
-import (
-	"errors"
-	"fmt"
-	"os"
-
-	"github.com/cilium/ebpf/internal/unix"
-)
-
-func Pin(currentPath, newPath string, fd *FD) error {
-	if newPath == "" {
-		return errors.New("given pinning path cannot be empty")
-	}
-	if currentPath == newPath {
-		return nil
-	}
-	if currentPath == "" {
-		return BPFObjPin(newPath, fd)
-	}
-	var err error
-	// Renameat2 is used instead of os.Rename to disallow the new path replacing
-	// an existing path.
-	if err = unix.Renameat2(unix.AT_FDCWD, currentPath, unix.AT_FDCWD, newPath, unix.RENAME_NOREPLACE); err == nil {
-		// Object is now moved to the new pinning path.
-		return nil
-	}
-	if !os.IsNotExist(err) {
-		return fmt.Errorf("unable to move pinned object to new path %v: %w", newPath, err)
-	}
-	// Internal state not in sync with the file system so let's fix it.
-	return BPFObjPin(newPath, fd)
-}
-
-func Unpin(pinnedPath string) error {
-	if pinnedPath == "" {
-		return nil
-	}
-	err := os.Remove(pinnedPath)
-	if err == nil || os.IsNotExist(err) {
-		return nil
-	}
-	return err
-}