audit_report: Use common rewrite rules argument for consistency.

conservancy_beancount/tools/audit_report.py

@@ -65,6 +65,7 @@ def parse_arguments(arglist: Optional[Sequence[str]]=None) -> argparse.Namespace
         help="""Display progress information
 """)
     cliutil.add_jobs_argument(parser)
+    cliutil.add_rewrite_rules_argument(parser)
     parser.add_argument(
         '--output-directory', '-O',
         metavar='DIR',
@@ -76,15 +77,6 @@ Default is a newly-created directory under your repository.
         '--force',
         action='store_true',
         help="""Run reports even if bean-check reports errors.
-""")
-    parser.add_argument(
-        '--rewrite-rules', '--rewrite', '-r',
-        metavar='PATH',
-        action='append',
-        type=Path,
-        default=[],
-        help="""Path to rewrite rules for the balance sheet.
-Passed to `balance-sheet-report -r`.
 """)
     parser.add_argument(
         'audit_year',