Use system properties directly from settings.gradle
Use system properties directly from settings.gradle

We do not need the workaround any more now that we are not using an
init script.

+review REVIEW-6461

robinverduijn/gradle,lsmaira/gradle,lsmaira/gradle,lsmaira/gradle,gradle/gradle,gradle/gradle,gradle/gradle,robinverduijn/gradle,robinverduijn/gradle,robinverduijn/gradle,gstevey/gradle,blindpirate/gradle,gstevey/gradle,gradle/gradle,gstevey/gradle,blindpirate/gradle,gstevey/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,lsmaira/gradle,gstevey/gradle,gradle/gradle,blindpirate/gradle,robinverduijn/gradle,lsmaira/gradle,robinverduijn/gradle,gstevey/gradle,gstevey/gradle,lsmaira/gradle,robinverduijn/gradle,lsmaira/gradle,blindpirate/gradle,gstevey/gradle,lsmaira/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle,lsmaira/gradle,blindpirate/gradle,blindpirate/gradle,gstevey/gradle,robinverduijn/gradle,lsmaira/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,robinverduijn/gradle