Revert "DNN-7718: updated the method that returns .NET framework release version."
Revert "DNN-7718: updated the method that returns .NET framework release version."

This reverts commit 81945516483bd102500cc0c8efede0a6b4e475d9.

mitchelsellers/Dnn.Platform,dnnsoftware/Dnn.Platform,dnnsoftware/Dnn.Platform,dnnsoftware/Dnn.Platform,moshefi/Dnn.Platform,janjonas/Dnn.Platform,robsiera/Dnn.Platform,valadas/Dnn.Platform,valadas/Dnn.Platform,bdukes/Dnn.Platform,moshefi/Dnn.Platform,nvisionative/Dnn.Platform,valadas/Dnn.Platform,wael101/Dnn.Platform,RichardHowells/Dnn.Platform,yiji/Dnn.Platform,SCullman/Dnn.Platform,dnnsoftware/Dnn.Platform,yiji/Dnn.Platform,bdukes/Dnn.Platform,svdv71/Dnn.Platform,wael101/Dnn.Platform,janjonas/Dnn.Platform,moshefi/Dnn.Platform,svdv71/Dnn.Platform,SCullman/Dnn.Platform,RichardHowells/Dnn.Platform,SCullman/Dnn.Platform,janjonas/Dnn.Platform,mitchelsellers/Dnn.Platform,RichardHowells/Dnn.Platform,mitchelsellers/Dnn.Platform,EPTamminga/Dnn.Platform,EPTamminga/Dnn.Platform,robsiera/Dnn.Platform,nvisionative/Dnn.Platform,EPTamminga/Dnn.Platform,wael101/Dnn.Platform,robsiera/Dnn.Platform,valadas/Dnn.Platform,bdukes/Dnn.Platform,dnnsoftware/Dnn.Platform,RichardHowells/Dnn.Platform,valadas/Dnn.Platform,mitchelsellers/Dnn.Platform,mitchelsellers/Dnn.Platform,bdukes/Dnn.Platform,yiji/Dnn.Platform,nvisionative/Dnn.Platform,svdv71/Dnn.Platform