Revert "Merge feature/explorer-query-assistant to main" #748

Job	Run time
Run test group of app_analytics_test	22m 56s
Run test group of datasources_test	11m 49s
Run test group of event_analytics_test	22m 57s
Run test group of integrations_test	11m 15s
Run test group of metrics_analytics_test	11m 37s
Run test group of notebooks_test	18m 36s
Run test group of panels_test	20m 5s
Run test group of trace_analytics_test	26m 40s
	2h 25m 55s

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