Remove redundant declaration of Java target and source version. In the v2 branch, this is necessary because the benchmarking module requires Java 8, but in the v3 branch, Java 8 is the standard anyway.
Remove redundant declaration of Java target and source version. In the v2 branch, this is necessary because the benchmarking module requires Java 8, but in the v3 branch, Java 8 is the standard anyway.

apache/uima-uimafit,apache/uima-uimafit,apache/uima-uimafit