Fix linting

src/OpenTelemetry.Exporter.Prometheus.HttpListener/Internal/PrometheusMetric.cs

@@ -128,16 +128,6 @@ internal static string SanitizeMetricName(string metricName)
         static StringBuilder CreateStringBuilder(string name) => new StringBuilder(name.Length);
     }
 
-    private static string SanitizeOpenMetricsName(string metricName)
-    {
-        if (metricName.EndsWith("_total"))
-        {
-            return metricName.Substring(0, metricName.Length - 6);
-        }
-
-        return metricName;
-    }
-
     internal static string RemoveAnnotations(string unit)
     {
         // UCUM standard says the curly braces shouldn't be nested:
@@ -182,6 +172,16 @@ internal static string RemoveAnnotations(string unit)
         return sb.ToString();
     }
 
+    private static string SanitizeOpenMetricsName(string metricName)
+    {
+        if (metricName.EndsWith("_total"))
+        {
+            return metricName.Substring(0, metricName.Length - 6);
+        }
+
+        return metricName;
+    }
+
     private static string GetUnit(string unit)
     {
         // Dropping the portions of the Unit within brackets (e.g. {packet}). Brackets MUST NOT be included in the resulting unit. A "count of foo" is considered unitless in Prometheus.