add method to remove any records where there is no sample information.  this only occurs for KICH 'Simple nucleotide variation', 50 VCF records total
add method to remove any records where there is no sample information.  this only occurs for KICH 'Simple nucleotide variation', 50 VCF records total

isb-cgc/ISB-CGC-data-proc,isb-cgc/ISB-CGC-data-proc,isb-cgc/ISB-CGC-data-proc