Revert "Add syntax error to get_geno example to test travis fail"

This reverts commit 03fe593ebfe1f52ce5ca30eee9c74fbd467b9ee3.
Revert "Forgot to update .Rd file; now _this_ should give travis fail"

This reverts commit 8c7044e14305bc91a9815b893db20eb47f741798.