[mutter] cogl: Remove unused COGL_FEATURE_MAP_BUFFER_FOR_{READ, WRITE}

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 0731eb629c1008f17c01c955b8c8815668c92183
Author: Adam Jackson <ajax redhat com>
Date:   Thu Oct 17 19:51:50 2019 -0400

    cogl: Remove unused COGL_FEATURE_MAP_BUFFER_FOR_{READ,WRITE}
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/866

 cogl/cogl/cogl-types.h                      | 6 ------
 cogl/cogl/driver/gl/gl/cogl-driver-gl.c     | 2 --
 cogl/cogl/driver/gl/gles/cogl-driver-gles.c | 3 ---
 3 files changed, 11 deletions(-)
---
diff --git a/cogl/cogl/cogl-types.h b/cogl/cogl/cogl-types.h
index 28a0b78aa..c27bc8d93 100644
--- a/cogl/cogl/cogl-types.h
+++ b/cogl/cogl/cogl-types.h
@@ -121,10 +121,6 @@ typedef struct _CoglTextureVertex       CoglTextureVertex;
  * @COGL_FEATURE_UNSIGNED_INT_INDICES: Set if
  *     %COGL_INDICES_TYPE_UNSIGNED_INT is supported in
  *     cogl_vertex_buffer_indices_new().
- * @COGL_FEATURE_MAP_BUFFER_FOR_READ: Whether cogl_buffer_map() is
- *     supported with CoglBufferAccess including read support.
- * @COGL_FEATURE_MAP_BUFFER_FOR_WRITE: Whether cogl_buffer_map() is
- *     supported with CoglBufferAccess including write support.
  *
  * Flags for the supported features.
  *
@@ -139,8 +135,6 @@ typedef enum
   COGL_FEATURE_STENCIL_BUFFER         = (1 << 10),
   COGL_FEATURE_PBOS                  = (1 << 12),
   COGL_FEATURE_UNSIGNED_INT_INDICES   = (1 << 13),
-  COGL_FEATURE_MAP_BUFFER_FOR_READ    = (1 << 21),
-  COGL_FEATURE_MAP_BUFFER_FOR_WRITE   = (1 << 22),
 } CoglFeatureFlags;
 
 /**
diff --git a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
index 72ed61332..d0152f702 100644
--- a/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
+++ b/cogl/cogl/driver/gl/gl/cogl-driver-gl.c
@@ -432,8 +432,6 @@ _cogl_driver_update_features (CoglContext *ctx,
 
   COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_PBOS, TRUE);
 
-  flags |= (COGL_FEATURE_MAP_BUFFER_FOR_READ |
-            COGL_FEATURE_MAP_BUFFER_FOR_WRITE);
   COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_MAP_BUFFER_FOR_READ, TRUE);
   COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE);
 
diff --git a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
index 483f6f987..67ec2917f 100644
--- a/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
+++ b/cogl/cogl/driver/gl/gles/cogl-driver-gles.c
@@ -322,7 +322,6 @@ _cogl_driver_update_features (CoglContext *context,
     {
       /* The GL_OES_mapbuffer extension doesn't support mapping for
          read */
-      flags |= COGL_FEATURE_MAP_BUFFER_FOR_WRITE;
       COGL_FLAGS_SET (context->features,
                       COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE);
     }
@@ -330,8 +329,6 @@ _cogl_driver_update_features (CoglContext *context,
   if (context->glMapBufferRange)
     {
       /* MapBufferRange in ES3+ does support mapping for read */
-      flags |= (COGL_FEATURE_MAP_BUFFER_FOR_WRITE |
-                COGL_FEATURE_MAP_BUFFER_FOR_READ);
       COGL_FLAGS_SET(context->features,
                      COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE);
       COGL_FLAGS_SET(context->features,