(PS3) Fix at exit/deiniting of context - don't do glFinish -

calls on jsValidateStates one more time when fragment/vertex
shaders have been debinded/deinited

ps3/ps3_video_psgl.c

@@ -710,7 +710,6 @@ static bool gl_frame(void *data, const void *frame, unsigned width, unsigned hei
 
 static void psgl_deinit(gl_t *gl)
 {
-   glFinish();
    cellDbgFontExit();
 
    psglDestroyContext(gl->gl_context);