fix: don't use return in transfairSetup

For some reason the return not only exits transfairSetup, but also the
bridgehead script

modules/transfair-setup.sh

@@ -3,9 +3,6 @@
 function transfairSetup() {
     if [[ -n "$INSTITUTE_TTP_URL" || -n "$EXCHANGE_ID_SYSTEM" ]]; then
         echo "Starting transfair."
-    else
-        return
-    fi
 	    OVERRIDE+=" -f ./modules/transfair-compose.yml"
 	    if [ -n "$FHIR_INPUT_URL" ]; then
 		    log INFO "TransFAIR input fhir store set to external $FHIR_INPUT_URL"
@@ -21,4 +18,5 @@ function transfairSetup() {
 		    FHIR_REQUEST_URL="http://bridgehead-transfair-requests-blaze:8080"
 		    OVERRIDE+=" --profile transfair-request-blaze"
 	    fi
+    fi
 }