remove fastp useless paramater

tasks/fastp.wdl

     String trim_adapter
 
 	command <<<
-    nt=$(nproc)
-    
-    ## Trim
-    if [ "${trim_adapter}" != 'true' ]; then
-    cp ${read1} ${sample_id}_R1.fq.gz
-    cp ${read2} ${sample_id}_R2.fq.gz
-    else
-    fastp --thread $nt --adapter_sequence ${adapter_sequence} --adapter_sequence_r2 ${adapter_sequence_r2} --detect_adapter_for_pe -i ${read1} -I ${read2} -o ${sample_id}_R1.fq.gz -O ${sample_id}_R2.fq.gz -j ${sample_id}.json -h ${sample_id}.html
-    fi
+        nt=$(nproc)
+        
+        ## Trim
+        if [ "${trim_adapter}" != 'true' ]; then
+        cp ${read1} ${sample_id}_R1.fq.gz
+        cp ${read2} ${sample_id}_R2.fq.gz
+        else
+        fastp --thread $nt --adapter_sequence ${adapter_sequence} --adapter_sequence_r2 ${adapter_sequence_r2} --detect_adapter_for_pe -i ${read1} -I ${read2} -o ${sample_id}_R1.fq.gz -O ${sample_id}_R2.fq.gz -j ${sample_id}.json -h ${sample_id}.html
+        fi
    >>>
    
    runtime {