Removed unused configurations parameters for helm installation (#7729)

docs: removed unused configurations parameters for helm installation guide

Author: cdxker

site/content/installation/installing-nic/installation-with-helm.md

@@ -406,11 +406,6 @@ The following tables lists the configurable parameters of the NGINX Ingress Cont
 | **controller.serviceAccount.name** | The name of the service account of the Ingress Controller pods. Used for RBAC. | Autogenerated |
 | **controller.serviceAccount.imagePullSecretName** | The name of the secret containing docker registry credentials. Secret must exist in the same namespace as the helm release. | "" |
 | **controller.serviceAccount.imagePullSecretsNames** | The list of secret names containing docker registry credentials. Secret must exist in the same namespace as the helm release. | [] |
-| **controller.serviceMonitor.name** | The name of the serviceMonitor. | Autogenerated |
-| **controller.serviceMonitor.create** | Create a ServiceMonitor custom resource. | false |
-| **controller.serviceMonitor.labels** | Kubernetes object labels to attach to the serviceMonitor object. | "" |
-| **controller.serviceMonitor.selectorMatchLabels** | A set of labels to allow the selection of endpoints for the ServiceMonitor. | "" |
-| **controller.serviceMonitor.endpoints** | A list of endpoints allowed as part of this ServiceMonitor. | "" |
 | **controller.reportIngressStatus.enable** | Updates the address field in the status of Ingress resources with an external address of the Ingress Controller. You must also specify the source of the external address either through an external service via `controller.reportIngressStatus.externalService`, `controller.reportIngressStatus.ingressLink` or the `external-status-address` entry in the ConfigMap via `controller.config.entries`. **Note:** `controller.config.entries.external-status-address` takes precedence over the others. | true |
 | **controller.reportIngressStatus.externalService** | Specifies the name of the service with the type LoadBalancer through which the Ingress Controller is exposed externally. The external address of the service is used when reporting the status of Ingress, VirtualServer and VirtualServerRoute resources. `controller.reportIngressStatus.enable` must be set to `true`. The default is autogenerated and enabled when `controller.service.create` is set to `true` and `controller.service.type` is set to `LoadBalancer`. | Autogenerated |
 | **controller.reportIngressStatus.ingressLink** | Specifies the name of the IngressLink resource, which exposes the Ingress Controller pods via a BIG-IP system. The IP of the BIG-IP system is used when reporting the status of Ingress, VirtualServer and VirtualServerRoute resources. `controller.reportIngressStatus.enable` must be set to `true`. | "" |