Revert "Use http url for Groovy docs until https certificate is renewed"
Revert "Use http url for Groovy docs until https certificate is renewed"

This reverts commit e610ba44f052a59220aa12743d8a417682eac871.

blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle