Allow removing uninitialized mounts

Previously we were overly finicky when removing mounts.
If a mount isn't mounted or initialized we shouldn't care.
If it's in the config remove it, if not don't.

Fixes gopasspw#1746

Signed-off-by: Dominik Schulz <dominik.schulz@gauner.org>

internal/store/root/mount.go

@@ -86,10 +86,10 @@ func (r *Store) initSub(ctx context.Context, alias, path string, keys []string)
 // RemoveMount removes and existing mount
 func (r *Store) RemoveMount(ctx context.Context, alias string) error {
 	if _, found := r.mounts[alias]; !found {
-		return errors.Errorf("%s is not mounted", alias)
+		out.Warning(ctx, "%s is not mounted", alias)
 	}
 	if _, found := r.mounts[alias]; !found {
-		out.Print(ctx, "%s is not initialized", alias)
+		out.Warning(ctx, "%s is not initialized", alias)
 	}
 	delete(r.mounts, alias)
 	delete(r.cfg.Mounts, alias)