Hello Borman,
You will need to go one by one, there is no command to delete a specific bounch of lines on an ACL,now if you would like to remove a complete access-list the command would be:
-clear config access-list xxxxx
Hope this helps,
Regards.
Julio
Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC