Revert "(GX Video) Only update texture if frame is not NULL"

This reverts commit 78027ee920.

the logic for this is already in update_textures and it broke menu rendering

gx/gx_video.c

@@ -805,7 +805,10 @@ static bool gx_frame(void *data, const void *frame,
    else
       gx->msg[0] = 0;
 
-   if (!frame && g_extern.draw_menu)
+   if(!frame && !g_extern.draw_menu)
+      return true;
+
+   if (!frame)
       width = height = 4; // draw a black square in the background
 
    if(should_resize)
@@ -826,9 +829,7 @@ static bool gx_frame(void *data, const void *frame,
 
    g_draw_done = false;
    g_current_framebuf ^= 1;
-
-   if(frame)
-      update_textures(frame, width, height, pitch);
+   update_textures(frame, width, height, pitch);
 
    //if (frame)
    {