removed target 1.6 in validation pom
removed target 1.6 in validation pom

sneumann/spectra-hash,sneumann/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,berlinguyinca/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash,berlinguyinca/spectra-hash,sneumann/spectra-hash,berlinguyinca/spectra-hash