container/initsymlink: unwrap mount errors

The mount function now wraps its own errors in a much more descriptive type with proper message formatting. Wrapping them no longer makes any sense.

Signed-off-by: Ophestra <cat@gensokyo.uk>

container/initremount.go

@@ -22,8 +22,7 @@ type RemountOp struct {
 func (r *RemountOp) Valid() bool                              { return r != nil && r.Target != nil }
 func (*RemountOp) early(*setupState, syscallDispatcher) error { return nil }
 func (r *RemountOp) apply(_ *setupState, k syscallDispatcher) error {
-	return wrapErrSuffix(k.remount(toSysroot(r.Target.String()), r.Flags),
-		fmt.Sprintf("cannot remount %q:", r.Target))
+	return k.remount(toSysroot(r.Target.String()), r.Flags)
 }
 
 func (r *RemountOp) Is(op Op) bool {