backend: remove check for _WAYLAND_DISPLAY
I'm not sure what this was used for, but it's not used by libwayland.
Setting _WAYLAND_DISPLAY would result in the Wayland backend being
picked but would ignore the actual value of the env variable.
@@ -254,8 +254,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
return backend;
}
- if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY") ||
- getenv("WAYLAND_SOCKET")) {
+ if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET")) {
struct wlr_backend *wl_backend = attempt_wl_backend(display,
create_renderer_func);
if (!wl_backend) {
