[vte/wip/sixels] terminal: Remove old mode handling bits

[Hans Petter Jansson <hansp src gnome org>]

commit 02c28f1e3308553b98cffec43f3506363769b555
Author: Hans Petter Jansson <hpj cl no>
Date:   Fri Jun 26 18:38:07 2020 +0200

    terminal: Remove old mode handling bits

 src/vteseq.cc | 14 --------------
 1 file changed, 14 deletions(-)
---
diff --git a/src/vteseq.cc b/src/vteseq.cc
index 9335e547..f5dc37c0 100644
--- a/src/vteseq.cc
+++ b/src/vteseq.cc
@@ -589,20 +589,6 @@ Terminal::set_mode_private(int mode,
                 maybe_apply_bidi_attributes(VTE_BIDI_FLAG_AUTO);
                 break;
 
-#if 0
-        /* FIXME-hpj */
-
-        case vte::terminal::modes::Private::eSIXEL_DISPLAY_MODE:
-                /* 80: SIXEL display mode(DECSDM). */
-                break;
-        case vte::terminal::modes::Private::eSIXEL_USE_PRIVATE_REGISTER:
-                /* 1070: private color register mode. */
-                break;
-        case vtw::terminal::modes::Private::eSIXEL_SCROLLS_RIGHT:
-                /* 8452: SIXEL-scrolls-right mode. */
-                break;
-#endif
-
         default:
                 break;
         }