Fix '_init_.py'

pygmt/datasets/__init__.py

@@ -7,7 +7,7 @@
 from pygmt.datasets.earth_age import load_earth_age
 from pygmt.datasets.earth_day import load_blue_marble
 from pygmt.datasets.earth_dist import load_earth_dist
-from pygmt.datasets.earth_east_west_deflection import load_earth_east_west_deflection
+from pygmt.datasets.earth_deflection import load_earth_deflection
 from pygmt.datasets.earth_free_air_anomaly import load_earth_free_air_anomaly
 from pygmt.datasets.earth_geoid import load_earth_geoid
 from pygmt.datasets.earth_magnetic_anomaly import load_earth_magnetic_anomaly
@@ -18,9 +18,6 @@
 from pygmt.datasets.earth_mean_sea_surface import load_earth_mean_sea_surface
 from pygmt.datasets.earth_night import load_black_marble
 from pygmt.datasets.earth_relief import load_earth_relief
-from pygmt.datasets.earth_south_north_deflection import (
-    load_earth_south_north_deflection,
-)
 from pygmt.datasets.earth_vertical_gravity_gradient import (
     load_earth_vertical_gravity_gradient,
 )