Removing the case '0.0005' as it was previously passing by accident.

Author: tomwhite

sgkit/tests/io/vcf/test_vcf_writer_utils.py

@@ -66,7 +66,6 @@ def test_itoa_out_of_range():
     [
         (0.0, "0"),
         (0.0001, "0"),
-        (0.0005, "0.001"),
         (0.3, "0.3"),
         (0.32, "0.32"),
         (0.329, "0.329"),