fix redundant codes
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To run a merge request pipeline, the jobs in the CI/CD configuration file must be configured to run in merge request pipelines and you must have sufficient permissions in the source project.
allowing the use of more than 2 reference databases integrate idtaxa_assign_fasta_fun into assign_taxo,same process
To run a merge request pipeline, the jobs in the CI/CD configuration file must be configured to run in merge request pipelines and you must have sufficient permissions in the source project.