remove redundant slashes (#18750)

Signed-off-by: Nwanggang11335 <wanggang11335@autohome.com.cn>
Signed-off-by: Nwanggang11335 <wanggang11335@autohome.com.cn>
Co-authored-by: Nwanggang11335 <wanggang11335@autohome.com.cn>

internal/util/paramtable/base_table.go

@@ -158,7 +158,7 @@ func (gp *BaseTable) initConfPath() string {
 		configDir = runPath + "/configs/"
 		if _, err := os.Stat(configDir); err != nil {
 			_, fpath, _, _ := runtime.Caller(0)
-			configDir = path.Dir(fpath) + "/../../../configs/"
+			configDir = path.Dir(fpath) + "/../../../configs"
 		}
 	}
 	return configDir