Remove Utils.appendToFile()
Remove Utils.appendToFile()

The last commit removed the only user of this function.

Signed-off-by: Uli Schlachter <346c0ad49ac8427b61b3b55abbe37dc0ebd524f2@znc.in>

VladRassokhin/testng,raindev/testng,AJ-72/testng,aledsage/testng,raindev/testng,aledsage/testng,krmahadevan/testng,VladRassokhin/testng,VladRassokhin/testng,gjuillot/testng,missedone/testng,VladRassokhin/testng,akozlova/testng,krmahadevan/testng,cbeust/testng,AJ-72/testng,missedone/testng,aledsage/testng,cbeust/testng,missedone/testng,cbeust/testng,AJ-72/testng,gjuillot/testng,raindev/testng,emopers/testng,akozlova/testng,missedone/testng,missedone/testng,cbeust/testng,krmahadevan/testng,krmahadevan/testng,aledsage/testng,AJ-72/testng,emopers/testng,raindev/testng,cbeust/testng,VladRassokhin/testng,VladRassokhin/testng,aledsage/testng,emopers/testng,gjuillot/testng,akozlova/testng,aledsage/testng,krmahadevan/testng,gjuillot/testng,raindev/testng,emopers/testng,akozlova/testng,raindev/testng,akozlova/testng,AJ-72/testng,gjuillot/testng,emopers/testng,AJ-72/testng