As of ToxCast 4.1, this function only helps clean up abbrieviations
found in the end_point_info data frame.
Usage
clean_endPoint_info(end_point_info)
Value
The returned data frame is based on end_point_info, but with some endPoints
filtered out and some additional categories in intended_target_family and
intended_target_family_sub. The names in intended_target_family
are revised to look more appealing in graphs and tables.