Fix Errno2 on GTFS RT validation (#3553)

* Extract hourly GTFS-RT validation results to a value object

* Extract GTFS-RT query for files to be processed

* Remove progress bar from GTFS-RT validator script

* Combine method bodies in GTFS-RT validator

* Remove flow control exception from GTFS-RT validator script

* Rename hour to aggregation in GTFS-RT validator script

* Extract object for aggregation operations in GTFS-RT validator

* GTFS-RT validator properly skips duplicate extracts

* Extract hourly GTFS-RT processing logic to classes

* Remove conditional from GTFS-RT validator

* Make download location optional for GTFS-RT validator downloads

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Signed-off-by: Erika Pacheco <[email protected]>
Co-authored-by: Doc Ritezel <[email protected]>

Author: erikamov