update paths from tars to maestro

tools/eggnogmapper2/annotate/example_usage/config.yaml

tools/eggnogmapper2/diamond/example_usage/config.yaml

tools/utils/cat/example_usage/config.yaml

tools/utils/split_fasta/example_usage/config.yaml

workflows/eggnogmapperv2/config.yaml

workflows/metaphlan2/paired_metaphlan2/config.yaml

workflows/metaphlan2/single_metaphlan2/config.yaml

workflows/metaphlan3/paired_metaphlan2/Snakefile