MINOR: Log project, gradle, java and scala versions at the start of the build (#10307)
MINOR: Log project, gradle, java and scala versions at the start of the build (#10307)

This is useful when debugging build issues. I also removed two printlns that are now redundant, so
this makes the build more informative and less noisy at the same time. Example output:

> Starting build with version 3.0.0-SNAPSHOT using Gradle 6.8.3, Java 15 and Scala 2.13.5

Reviewers: A. Sophie Blee-Goldman <5f50443bfe76f7279a8e0f2f0a98975cdbff38e9@confluent.io>
Chasego/kafka,Chasego/kafka,lindong28/kafka,guozhangwang/kafka,lindong28/kafka,lindong28/kafka,apache/kafka,apache/kafka,apache/kafka,lindong28/kafka,guozhangwang/kafka,guozhangwang/kafka,TiVo/kafka,Chasego/kafka,guozhangwang/kafka,Chasego/kafka,TiVo/kafka,TiVo/kafka,TiVo/kafka,apache/kafka