fix: fixed WAL Sync Duty formula

Author: cuprumtan

mamonsu/plugins/pgsql/wal.py

@@ -129,7 +129,7 @@ def items(self, template, dashboard=False):
             "value_type": Plugin.VALUE_TYPE.numeric_float,
             "units": Plugin.UNITS.percent,
             "type": Plugin.TYPE.CALCULATED,
-            "params": "last(" + self.key_wal_sync_time + ")/10/" + self.plugin_config("interval")
+            "params": "last(" + self.key_wal_sync_time + ")/10"
         })
         if not dashboard:
             return result