[cogl] Remove an out of date comment in the GLES2 context code

[Neil Roberts <nroberts src gnome org>]

commit 750e5668ee64a315c8090dd2223334b1e04bee54
Author: Neil Roberts <neil linux intel com>
Date:   Mon Oct 1 11:46:50 2012 +0100

    Remove an out of date comment in the GLES2 context code
    
    There was a FIXME comment about making glCopyTex{Sub,}Image2D work
    with CoglOffscreen buffers. This has already been fixed so we should
    remove the comment.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 cogl/cogl-gles2-context.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/cogl/cogl-gles2-context.c b/cogl/cogl-gles2-context.c
index 65e7598..fa580dd 100644
--- a/cogl/cogl-gles2-context.c
+++ b/cogl/cogl-gles2-context.c
@@ -1642,10 +1642,6 @@ cogl_gles2_context_new (CoglContext *ctx, CoglError **error)
   gles2_ctx->vtable->glBindTexture = gl_bind_texture_wrapper;
   gles2_ctx->vtable->glTexImage2D = gl_tex_image_2d_wrapper;
 
-  /* FIXME: we need to do something with glCopyTexImage2D and
-   * glCopySubTexImage2D so that it will flip the data if it is read
-   * from a CoglOffscreen */
-
   gles2_ctx->shader_map =
     g_hash_table_new_full (g_direct_hash,
                            g_direct_equal,