删除无用字段

src/rtr/report.rs

@@ -406,7 +406,7 @@ impl ReportContext {
         let max_connections = service_stats.max_connections();
         let generated_at = self.report_now(timezone);
         let metadata = ReportMetadata {
-            schema_version: 2,
+            schema_version: 1,
             generated_at,
             phase: phase.to_string(),
         };