delete vcf index in Haplotyper.wdl

tasks/Haplotyper.wdl

@@ -17,8 +17,6 @@ command <<<
 			--reads=${recaled_bam} \
 			--output_vcf=${sample}_hc.vcf \
 			--num_shards=$(nproc) 
-
-		/opt/gatk-4.4/gatk IndexFeatureFile -I ${sample}_hc.vcf -O ${sample}_hc.vcf.idx
 	>>>
 	
 	runtime {
@@ -30,7 +28,6 @@ command <<<
 
 	output {
 		File vcf = "${sample}_hc.vcf"
-		File vcf_idx = "${sample}_hc.vcf.idx"
 	}
 }