cellRec: Remove outdated frame size check

We are rescaling the images to the desired output format in the encoder.
The frames themselves are not a fixed container anymore.

rpcs3/Emu/Cell/Modules/cellRec.cpp

@@ -688,8 +688,6 @@ void rec_info::start_video_provider()
 
 				if (const s64 pts = encoder->get_pts(frame.timestamp_ms); pts > last_video_pts && !frame.data.empty())
 				{
-					ensure(frame.data.size() == frame_size);
-
 					if (use_ring_buffer)
 					{
 						// The video frames originate from our render pipeline and are stored in a ringbuffer.