removed txt file added gov. us census data

README.md

@@ -529,6 +529,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Open Government, USA](https://www.data.gov/) | United States Government Open Data | No | Yes | Unknown |
 | [Represent by Open North](https://represent.opennorth.ca/) | Find Canadian Government Representatives | No | Yes | Unknown |
 | [USAspending.gov](https://api.usaspending.gov/) | US federal spending data | No | Yes | Unknown |
+| [U.S. Census Bureau](https://www.census.gov/data/developers/data-sets.html) | U.S. Census data sets and Geolocation | No | Yes | Unknown |
 
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 ### Health

us_census_api

-| [U.S. Census Bureau](https://www.census.gov/data/developers/data-sets.html) | U.S. Census data sets and Geolocation | No | Yes | Unknown |