remove old package.config
remove old package.config

nazim9214/NLog,luigiberrettini/NLog,luigiberrettini/NLog,sean-gilliam/NLog,UgurAldanmaz/NLog,304NotModified/NLog,BrutalCode/NLog,snakefoot/NLog,UgurAldanmaz/NLog,ie-zero/NLog,nazim9214/NLog,ie-zero/NLog,NLog/NLog,BrutalCode/NLog