For macOS 10.10 and later. This script will rename the selected tracks in iTunes with their filenames (minus the extension).
Obviously, files must be local. There is no accounting for track numbers that may prefix the filename.
To remove characters from the beginning of tag text try using the script Remove n Characters From Front or Back.
Perhaps Also of Interest...
downloaded 30m 26s ago
Title Cap various track tags, featuring editable exceptions lists
downloaded 41m 31s ago
Append user-entered text to beginning or ending of selected tag of each selected track
downloaded 43m 12s ago
Renumber playlist tracks to play order
downloaded 46m 53s ago
Renumber order of selected tracks
downloaded 1h 3m 50s ago
Convert selected tracks and export the converted files to a new folder
downloaded 1h 10m 0s ago
Removes leading and trailing space characters from chosen tags in selected tracks