Replace Github URLs of shapefiles with other victims.

Author: JamesParrott

README.md

@@ -440,7 +440,7 @@ Finally, you can use all of the above methods to read shapefiles directly from t
 
 
 	>>> # from a zipped shapefile on website
-	>>> sf = shapefile.Reader("https://github.com/JamesParrott/PyShp_test_shapefile/raw/main/gis_osm_natural_a_free_1.zip")
+	>>> sf = shapefile.Reader("https://geodata.ucdavis.edu/gadm/gadm4.1/shp/gadm41_ATA_shp.zip")
 
 	>>> # from a shapefile collection of files in a github repository
 	>>> sf = shapefile.Reader("https://pubs.usgs.gov/of/2000/of00-006/gisdata/coverage/airports.shp")
@@ -1305,7 +1305,7 @@ of records and complex geometries.
 As an example, let's load this Natural Earth shapefile of more than 4000 global administrative boundary polygons:
 
 
-	>>> sf = shapefile.Reader("https://github.com/nvkelso/natural-earth-vector/blob/master/10m_cultural/ne_10m_admin_1_states_provinces?raw=true")
+	>>> sf = shapefile.Reader("https://archive.org/download/ne_10m_admin_1_states_provinces/ne_10m_admin_1_states_provinces.zip")
 
 When first creating the Reader class, the library only reads the header information
 and leaves the rest of the file contents alone. Once you call the records() and shapes()