Giving up, fathom-cursor is not POSIX... for now

spells/cantrips/fathom-cursor

@@ -57,8 +57,4 @@ test_fathom_cursor() {
     assert_equal "$(./fathom-cursor)" "$(./fathom-cursor -x -y)" "fathom_cursor and -x -y outputs differ"
 }
 
-# Check if the script is being called from another script
-if [ "${BASH_SOURCE[0]}" = "$0" ]; then
-  # If not, call the function
-  fathom_cursor "$@"
-fi
+fathom_cursor "$@"