Remove a member variable which I introduced in r5907 although it never actually got used. Restores binary compatibility (at least in that regard) to pre-r5907 video plugins, but breaks any binaries after that :P
Update FIFO watermark tightness recommendations. 1000 is quite a high value I guess, but some people seem to need it.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6060 8ced0084-cf51-0410-be5f-012b33b47a6e
d5d7beb6c7