fix: remove p

inputs

 {
   "{{ project_name }}.sample_id": "{{ sample_id }}",
   "{{ project_name }}.fastq": "{{ fastq }}",
-  "{{ project_name }}.p": "{{ p }}",
   "{{ project_name }}.n": "{{ n }}",
   "{{ project_name }}.docker": "registry.cn-shanghai.aliyuncs.com/pgx-docker-registry/seqkit:0.12.0",
   "{{ project_name }}.cluster_config": "{{ cluster_config }}",

tasks/DownSample.wdl

 
   String sample_id
   File fastq
-  Float? p
-  Int? n
+  Int n
   String docker
   String cluster_config
   String disk_size
     set -o pipefail
     set -e
     nt=$(nproc)
-    if [ ${p} ]; then
-      seqkit sample --two-pass --threads $nt -s 100 -p ${p} ${fastq} -o ${sample_id}.fastq.gz
-    else
-      seqkit sample --two-pass --threads $nt -s 100 -n ${n} ${fastq} -o ${sample_id}.fastq.gz
-    fi
+    # seqkit sample --two-pass --threads $nt -s 100 -p ${p} ${fastq} -o ${sample_id}.fastq.gz
+    seqkit sample --two-pass --threads $nt -s 100 -n ${n} ${fastq} -o ${sample_id}.fastq.gz
   >>>
 
   runtime {

workflow.wdl

   
   String sample_id
   File fastq
-  Float? p
-  Int? n
+  Int n
   String docker
   String cluster_config
   String disk_size
     input:
       sample_id=sample_id,
       fastq=fastq,
-      p=p,
       n=n,
       docker=docker,
       cluster_config=cluster_config,