Drop USGS gage data fetch from CONUS hydrology endpoint

[Joshdpaul]

Instead, we can potentially provide the monitoring location URL if it exists (e.g. https://waterdata.usgs.gov/monitoring-location/USGS-01646305/#dataTypeId=continuous-00060-0&period=P365D&showFieldMeasurements=true) and let the user do their own compare / contrast workflow