Fix duplication of sub-types in site types legend
Fix duplication of sub-types in site types legend

reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/ActiveDriverDB,reimandlab/ActiveDriverDB,reimandlab/ActiveDriverDB,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/ActiveDriverDB,reimandlab/Visualisation-Framework-for-Genome-Mutations