Updated tutorial custom genomes list

Author: davve2

flextaxd/tutorial/custom_genomes_test.txt

@@ -1,13 +1,11 @@
 GCF_000380385.1	Francisella tularensis subsp. tularensis
 GCF_000380425.1	Francisella tularensis subsp. tularensis
 GCF_000380445.1	Francisella tularensis subsp. tularensis
-GCF_000018925.1	Francisella tularensis subsp. mediasiatica
 GCF_004296555.1	Francisella tularensis subsp. mediasiatica
 GCF_004213485.1	Francisella tularensis subsp. mediasiatica
 GCF_004214305.1	Francisella tularensis subsp. mediasiatica
 GCF_002027465.1	Francisella tularensis subsp. holarctica B16_japonica
 GCF_000833715.1	Francisella tularensis subsp. holarctica B16_japonica
 GCF_001696945.1	Francisella tularensis subsp. holarctica B16_japonica
-GCF_000153845.1	Francisella tularensis subsp. holarctica B2
 GCF_000833515.1	Francisella tularensis subsp. holarctica B2
 GCF_900491795.1	Francisella tularensis subsp. holarctica B2