Removes unnecessary and buggy validation check #3389

Job	Run time
build and push gatk docker to artifacts	23m 7s
Validate script WDLs using womtools	56s
check if the environment has privileges	1s
Validate generated WDLs using womtools	16m 0s
WDL test RUN_CNV_GERMLINE_COHORT_WDL on cromwell	26m 33s
WDL test RUN_CNV_GERMLINE_CASE_WDL on cromwell	27m 40s
WDL test RUN_CNV_SOMATIC_WDL on cromwell	40m 47s
WDL test RUN_M2_WDL on cromwell	28m 22s
WDL test RUN_CNN_WDL on cromwell	24m 55s
WDL test RUN_VCF_SITE_LEVEL_FILTERING_WDL on cromwell	22m 18s
Java 17.0.6+10 build and test cloud	3m 39s
Java 17.0.6+10 build and test integration	43m 21s
Java 17.0.6+10 build and test unit	21m 30s
Java 17.0.6+10 test on docker integration	48m 15s
Java 17.0.6+10 test on docker unit	38m 55s
Java 17.0.6+10 test on docker variantcalling	32m 41s
Java 17.0.6+10 test on docker conda	28m 37s
	7h 7m 37s

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