Revert "Merge feature/explorer-query-assistant to main" #749

Job	Run time
Run test group of app_analytics_test	22m 45s
Run test group of datasources_test	10m 36s
Run test group of event_analytics_test	22m 15s
Run test group of integrations_test	12m 12s
Run test group of metrics_analytics_test	11m 10s
Run test group of notebooks_test	19m 38s
Run test group of panels_test	18m 13s
Run test group of trace_analytics_test	27m 11s
	2h 24m 0s

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