Revert "Addessing issue #4986"

This reverts commit 4a568c4.

bin/pycbc_make_sky_grid

@@ -15,7 +15,6 @@ from scipy.spatial.transform import Rotation as R
 import pycbc
 from pycbc.detector import Detector
 from pycbc.io.hdf import HFile
-from pycbc.types import angle_as_radians
 
 
 def spher_to_cart(sky_points):
@@ -37,20 +36,17 @@ def cart_to_spher(sky_points):
 
 parser = argparse.ArgumentParser(description=__doc__)
 pycbc.add_common_pycbc_options(parser)
-parser.add_argument('--ra', type=angle_as_radians,
+parser.add_argument('--ra', type=float,
     help="Right ascension (in rad) of the center of the external trigger "
-         "error box. Use the rad or deg suffix to specify units, otherwise "
-         "radians are assumed.")
-parser.add_argument('--dec', type=angle_as_radians,
+         "error box")
+parser.add_argument('--dec', type=float,
     help="Declination (in rad) of the center of the external trigger "
-         "error box. Use the rad or deg suffix to specify units, otherwise "
-         "radians are assumed.")
+         "error box")
 parser.add_argument('--instruments', nargs="+", type=str, required=True,
     help="List of instruments to analyze.")
-parser.add_argument('--sky-error', type=angle_as_radians, required=True,
+parser.add_argument('--sky-error', type=float, required=True,
     help="3-sigma confidence radius (in rad) of the external trigger error "
-         "box. Use the rad or deg suffix to specify units, otherwise radians "
-         "are assumed.")
+         "box")
 parser.add_argument('--trigger-time', type=int, required=True,
     help="Time (in s) of the external trigger")
 parser.add_argument('--timing-uncertainty', type=float, default=0.0001,