[mutter] cogl: Remove some dead stores not flagged by the compiler

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

commit ab9f241cc5294bcabf456fccd728cb1b77401d0b
Author: Adam Jackson <ajax redhat com>
Date:   Thu Apr 9 15:11:52 2020 -0400

    cogl: Remove some dead stores not flagged by the compiler
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1194

 cogl/cogl/cogl-texture.c | 9 ---------
 1 file changed, 9 deletions(-)
---
diff --git a/cogl/cogl/cogl-texture.c b/cogl/cogl/cogl-texture.c
index c82481156c..2481943c8b 100644
--- a/cogl/cogl/cogl-texture.c
+++ b/cogl/cogl/cogl-texture.c
@@ -62,11 +62,6 @@
 #include <stdlib.h>
 #include <math.h>
 
-/* This isn't defined in the GLES headers */
-#ifndef GL_RED
-#define GL_RED 0x1903
-#endif
-
 COGL_GTYPE_DEFINE_INTERFACE (Texture, texture);
 
 uint32_t
@@ -786,8 +781,6 @@ cogl_texture_get_data (CoglTexture *texture,
       if (texture_format == COGL_PIXEL_FORMAT_A_8)
         {
           closest_format = COGL_PIXEL_FORMAT_A_8;
-          closest_gl_format = GL_RED;
-          closest_gl_type = GL_UNSIGNED_BYTE;
         }
       else if (format == COGL_PIXEL_FORMAT_A_8)
         {
@@ -798,8 +791,6 @@ cogl_texture_get_data (CoglTexture *texture,
            * pre-multiplied here because we're only going to look at
            * the alpha component */
           closest_format = COGL_PIXEL_FORMAT_RGBA_8888;
-          closest_gl_format = GL_RGBA;
-          closest_gl_type = GL_UNSIGNED_BYTE;
         }
     }