Resolve "Enable mTLS for Loki metrics"

Related to #25 (closed)

Test with https://repo1.dso.mil/platform-one/big-bang/bigbang/-/merge_requests/2009

chart/templates/bigbang/peerauthentication/loki-simple-scalable.yaml

@@ -11,12 +11,8 @@ spec:
     matchLabels:
       {{- include "loki.matchLabels" . | nindent 6 }}
   portLevelMtls:
-    # Monitoring exception
-    {{- if and (eq .Values.istio.mtls.mode "STRICT") (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") (.Values.monitoring.serviceMonitor.enabled) }}
-    "3100":
-      mode: PERMISSIVE
-    {{- end }}
     # GRPC exception to support Loki internal communication
+    {{- if and (eq .Values.istio.mtls.mode "STRICT") (.Capabilities.APIVersions.Has "monitoring.coreos.com/v1") (.Values.monitoring.serviceMonitor.enabled) }}
     "9095":
       mode: PERMISSIVE
 {{- end }}