remove templating patch

Signed-off-by: Vitaly Zhuravlev <[email protected]>

Author: v-zhuravlev

mysqld-mixin/dashboards/dashboards.libsonnet

@@ -22,19 +22,6 @@ local grafana = import 'github.com/grafana/grafonnet-lib/grafonnet/grafana.libso
               url: 'd/DlHAFwE7z',
             },
           ],
-          templating+:
-            {
-
-              list+: [
-                grafana.template.new(
-                  name='loki_datasource',
-                  label='Logs Data Source',
-                  query='loki',
-                  refresh='load',
-                  datasource='loki'
-                ) + { type: 'datasource' },
-              ],
-            },
         },
       'mysql-logs.json': (import 'mysql-logs.json'),
     }