switch# configure terminal 
Enter configuration commands, one per line. End with CNTL/Z.
switch(config)# no interface breakout module 1 
Interfaces will now be removed. This config needs 'copy running start' and 'reload'. Are you sure you want to continue(yes/no)? yes
switch(config)# exit
switch# copy running-config startup-config 
[#                                       ]   1%[#                                       ]--more---98%[########################################] 100%

switch# reload
This command will reboot the system. (y/n)?  [n] y