mesa: remove incomplete texture warning

ETOOSPAMMY

Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Yusuf Khan <yusisamerican@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17362>

src/mesa/main/texstate.c

@@ -704,7 +704,6 @@ update_single_program_texture(struct gl_context *ctx, struct gl_program *prog,
     * Mesa implements this by creating a hidden texture object with a pixel of
     * that value.
     */
-   _mesa_log("MESA: Using fallback texture for target %u\n", target_index);
    texObj = _mesa_get_fallback_texture(ctx, target_index);
    assert(texObj);