Optimized USER.cfg for Version 3.23.1-LIVE.9204897

v1 - Initial Release : Optimized USER.cfg for Version 3.17.1-LIVE.8073467 and readme file with instructions
v2 - Updated for Version 3.23.1-LIVE.9204897, Removed Step #4 r_TexturesStreamingMaxRequestedMB from USER.cfg, Removed variables identified as [Not Whitelisted] in Game.log, Updated Readme.txt