gstlal_inspiral_svd_bank_workflow: fix some data discovery issues, avoid loading svd metadata twice

gstlal-inspiral/bin/gstlal_inspiral_svd_bank_workflow

@@ -30,14 +30,13 @@ parser.add_argument("-c", "--config", help="Sets the path to read configuration
 # load config
 args = parser.parse_args()
 config = Config.load(args.config)
-config.load_svd_manifest(config.svd.manifest)
 
 # create dag
 dag = DAG(config)
 dag.create_log_dir()
 
 # input data products
-split_bank = DataCache.find(DataType.SPLIT_BANK, root=config.data.rootdir)
+split_bank = DataCache.find(DataType.SPLIT_BANK, svd_bins="*", subtype="*")
 ref_psd = DataCache.from_files(DataType.REFERENCE_PSD, config.data.reference_psd)
 
 # generate dag layers