egl/wayland: Remove check for EGLConfig presence

We now check in the EGL core that we actually have some configs for the
display, so no need to do it in the platform.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27709>

src/egl/drivers/dri2/platform_wayland.c

@@ -1960,7 +1960,7 @@ static const __DRIextension *dri2_loader_extensions[] = {
    NULL,
 };
 
-static EGLBoolean
+static void
 dri2_wl_add_configs_for_visuals(_EGLDisplay *disp)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
@@ -2012,8 +2012,6 @@ dri2_wl_add_configs_for_visuals(_EGLDisplay *disp)
                  util_format_name(dri2_wl_visuals[i].pipe_format));
       }
    }
-
-   return (count != 0);
 }
 
 static bool
@@ -2171,10 +2169,7 @@ dri2_initialize_wayland_drm(_EGLDisplay *disp)
       goto cleanup;
    }
 
-   if (!dri2_wl_add_configs_for_visuals(disp)) {
-      _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
-      goto cleanup;
-   }
+   dri2_wl_add_configs_for_visuals(disp);
 
    dri2_set_WL_bind_wayland_display(disp);
    /* When cannot convert EGLImage to wl_buffer when on a different gpu,
@@ -2698,10 +2693,7 @@ dri2_initialize_wayland_swrast(_EGLDisplay *disp)
 
    dri2_wl_setup_swap_interval(disp);
 
-   if (!dri2_wl_add_configs_for_visuals(disp)) {
-      _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
-      goto cleanup;
-   }
+   dri2_wl_add_configs_for_visuals(disp);
 
    if (disp->Options.Zink && dri2_dpy->fd_render_gpu >= 0 &&
        (dri2_dpy->wl_dmabuf || dri2_dpy->wl_drm))