[mutter] kms: Remove unused fields from MetaKmsCrtcState struct

[Jonas Ådahl <jadahl src gnome org>]

commit 76445bcb979190beec9e43db0c4ba0a55b9e13bb
Author: Hans de Goede <hdegoede redhat com>
Date:   Mon Aug 5 11:21:28 2019 +0200

    kms: Remove unused fields from MetaKmsCrtcState struct
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/713

 src/backends/native/meta-kms-crtc.h | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/src/backends/native/meta-kms-crtc.h b/src/backends/native/meta-kms-crtc.h
index 39a89a751..fa9938199 100644
--- a/src/backends/native/meta-kms-crtc.h
+++ b/src/backends/native/meta-kms-crtc.h
@@ -33,10 +33,6 @@ typedef struct _MetaKmsCrtcState
   gboolean is_drm_mode_valid;
   drmModeModeInfo drm_mode;
 
-  uint32_t common_possible_crtcs;
-  uint32_t common_possible_clones;
-  uint32_t encoder_device_idxs;
-
   struct {
     uint16_t *red;
     uint16_t *green;