Removed kubernetes-cadvisor as its deprecated in k8s v1.11

Instead of cadvisor we are adviced to use telegraf kubernetes
input plugin.

Change-Id: Ic9892e2f6a2adc305e550b943a669a606010aa1e
Closes-Bug: PROD-24334

prometheus/files/server/prometheus.yml

@@ -253,37 +253,6 @@ scrape_configs:
     - action: labelmap
       regex: __meta_kubernetes_node_label_(.+)
 
-  - job_name: 'kubernetes-cadvisor'
-    scheme: https
-    tls_config:
-      insecure_skip_verify: true
-      {% if kubernetes_target.get('cert_name') %}cert_file: {{ server.dir.config_in_container }}/{{ kubernetes_target.cert_name }}{%- endif %}
-      {% if kubernetes_target.get('key_name') %}key_file: {{ server.dir.config_in_container }}/{{ kubernetes_target.key_name }}{%- endif %}
-    kubernetes_sd_configs:
-    - api_server: {{ kubernetes_target.api_ip }}
-      role: node
-      tls_config:
-        insecure_skip_verify: true
-        {% if kubernetes_target.get('cert_name') %}cert_file: {{ server.dir.config_in_container }}/{{ kubernetes_target.cert_name }}{%- endif %}
-        {% if kubernetes_target.get('key_name') %}key_file: {{ server.dir.config_in_container }}/{{ kubernetes_target.key_name }}{%- endif %}
-    relabel_configs:
-    {%- if server.config.environment_label is defined %}
-    - source_labels: ['instance']
-      target_label: environment
-      replacement: {{ server.config.environment_label }}
-    {%- endif %}
-    - action: labelmap
-      regex: __meta_kubernetes_node_label_(.+)
-    - source_labels: [__address__]
-      action: replace
-      target_label: __address__
-      regex: (.+)(?::\d+)
-      replacement: $1:{{ kubernetes_target.get('cadvisor', {}).get('port', 4194) }}
-    - source_labels: [__scheme__]
-      action: replace
-      target_label: __scheme__
-      replacement: {{ kubernetes_target.get('cadvisor', {}).get('scheme', 'http') }}
-
   {%- if kubernetes_target.get('endpoint', {}).get('enabled') %}
   - job_name: 'kubernetes-service-endpoints'
     scheme: https