screencopy: Remove dead code

types/wlr_screencopy_v1.c

@@ -231,7 +231,6 @@ static bool frame_dma_copy(struct wlr_screencopy_frame_v1 *frame,
 	struct wlr_renderer *renderer = output->renderer;
 	assert(renderer);
 
-
 	struct wlr_texture *src_tex =
 		wlr_texture_from_buffer(renderer, src_buffer);
 	if (src_tex == NULL) {
@@ -274,8 +273,6 @@ static void frame_handle_output_commit(struct wl_listener *listener,
 		wl_container_of(listener, frame, output_commit);
 	struct wlr_output_event_commit *event = data;
 	struct wlr_output *output = frame->output;
-	struct wlr_renderer *renderer = output->renderer;
-	assert(renderer);
 
 	if (!(event->state->committed & WLR_OUTPUT_STATE_BUFFER)) {
 		return;