Remove spaces

testdata/assembly_summary_genbank.txt

@@ -1,5 +1,5 @@
 #   See ftp://ftp.ncbi.nlm.nih.gov/genomes/README_assembly_summary.txt for a description of the columns in this file.
-# assembly_accession	bioproject	biosample	wgs_master	refseq_category	taxid	species_taxid	organism_name	infraspecific_name	isolate	version_status	assembly_level	release_type	genome_rep	seq_rel_date	asm_name	submitter	gbrs_paired_asm	paired_asm_comp	ftp_path	excluded_from_refseq	relation_to_type_material	asm_not_live_date
+#assembly_accession	bioproject	biosample	wgs_master	refseq_category	taxid	species_taxid	organism_name	infraspecific_name	isolate	version_status	assembly_level	release_type	genome_rep	seq_rel_date	asm_name	submitter	gbrs_paired_asm	paired_asm_comp	ftp_path	excluded_from_refseq	relation_to_type_material	asm_not_live_date
 GCA_000001215.4	PRJNA13812	SAMN02803731		reference genome	7227	7227	Drosophila melanogaster			latest	Chromosome	Major	Full	2014/08/01	Release 6 plus ISO1 MT	The FlyBase Consortium/Berkeley Drosophila Genome Project/Celera Genomics	GCF_000001215.4	identical	https://ftp.ncbi.nlm.nih.gov/genomes/all/GCA/000/001/215/GCA_000001215.4_Release_6_plus_ISO1_MT			na
 GCA_003697165.2	PRJNA472652	SAMN10252913		na	866789	562	Escherichia coli DSM 30083 = JCM 1649 = ATCC 11775	strain=ATCC 11775		latest	Complete Genome	Major	Full	2018/12/20	ASM369716v2	University of Arkansas for Medical Sciences	GCF_003697165.2	identical	https://ftp.ncbi.nlm.nih.gov/genomes/all/GCA/003/697/165/GCA_003697165.2_ASM369716v2		assembly designated as neotype	na
 GCA_004296515.1	PRJDB5646	SAMD00080338		representative genome	1971488	1971488	endosymbiont of Pachyrhynchus infernalis		NARPIN1	latest	Complete Genome	Major	Full	2017/10/21	ASM429651v1	The Open University of Japan	GCF_004296515.1	identical	https://ftp.ncbi.nlm.nih.gov/genomes/all/GCA/004/296/515/GCA_004296515.1_ASM429651v1			na

testdata/assembly_summary_refseq.txt

@@ -1,5 +1,5 @@
 #   See ftp://ftp.ncbi.nlm.nih.gov/genomes/README_assembly_summary.txt for a description of the columns in this file.
-# assembly_accession	bioproject	biosample	wgs_master	refseq_category	taxid	species_taxid	organism_name	infraspecific_name	isolate	version_status	assembly_level	release_type	genome_rep	seq_rel_date	asm_name	submitter	gbrs_paired_asm	paired_asm_comp	ftp_path	excluded_from_refseq	relation_to_type_material	asm_not_live_date
+#assembly_accession	bioproject	biosample	wgs_master	refseq_category	taxid	species_taxid	organism_name	infraspecific_name	isolate	version_status	assembly_level	release_type	genome_rep	seq_rel_date	asm_name	submitter	gbrs_paired_asm	paired_asm_comp	ftp_path	excluded_from_refseq	relation_to_type_material	asm_not_live_date
 GCF_000001215.4	PRJNA164	SAMN02803731		reference genome	7227	7227	Drosophila melanogaster			latest	Chromosome	Major	Full	2014/08/01	Release 6 plus ISO1 MT	The FlyBase Consortium/Berkeley Drosophila Genome Project/Celera Genomics	GCA_000001215.4	identical	https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/001/215/GCF_000001215.4_Release_6_plus_ISO1_MT			na
 GCF_000001405.40	PRJNA168			reference genome	9606	9606	Homo sapiens			latest	Chromosome	Patch	Full	2022/02/03	GRCh38.p14	Genome Reference Consortium	GCA_000001405.29	different	https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/001/405/GCF_000001405.40_GRCh38.p14			na
 GCF_000001635.27	PRJNA169			reference genome	10090	10090	Mus musculus	strain=C57BL/6J		latest	Chromosome	Major	Full	2020/06/24	GRCm39	Genome Reference Consortium	GCA_000001635.9	identical	https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/001/635/GCF_000001635.27_GRCm39			na