Explore: Unification of logs/metrics/traces user interface (#25890)

Removes "Metrics"/"Logs" mode switcher from Explore, allowing for both
metrics and logs queries at the same time.

Co-authored-by: kay delaney <kay@grafana.com>

public/app/plugins/datasource/influxdb/datasource.ts

@@ -149,6 +149,8 @@ export default class InfluxDatasource extends DataSourceWithBackend<InfluxQuery,
         });
 
         switch (target.resultFormat) {
+          case 'logs':
+            meta.preferredVisualisationType = 'logs';
           case 'table': {
             seriesList.push(influxSeries.getTable());
             break;