#find and delete files
find -name 59.txt -delete

#If you want to make sure you only delete files and not folder
find -type f -name 59.txt -delete

#if match is a folder the above won't work
#so pass the matches to a command to execute
find -name folder2 -exec rm -rf {} +

#if you want to make sure you only delete folders and not files
find -type d -name folder2 -exec rm -rf {} +