pycbc_coinc_time needs dqsegdb; deduplicate --help commands

tools/pycbc_test_suite.sh

@@ -31,7 +31,7 @@ fi
 if [ "$PYCBC_TEST_TYPE" = "help" ] || [ -z ${PYCBC_TEST_TYPE+x} ]; then
     # check that all executables that do not require
     # special environments can return a help message
-    for prog in `find ${PATH//:/ } -maxdepth 1 -name 'pycbc*' -print 2>/dev/null | egrep -v '(pycbc_live_nagios_monitor|pycbc_make_offline_grb_workflow|pycbc_mvsc_get_features|pycbc_upload_xml_to_gracedb)' | sort`
+    for prog in `find ${PATH//:/ } -maxdepth 1 -name 'pycbc*' -print 2>/dev/null | egrep -v '(pycbc_live_nagios_monitor|pycbc_make_offline_grb_workflow|pycbc_mvsc_get_features|pycbc_upload_xml_to_gracedb|pycbc_coinc_time)' | sort | uniq`
     do
         echo -e ">> [`date`] running $prog --help"
         $prog --help &> $LOG_FILE