remove unused code in profile.py
remove unused code in profile.py

Signed-off-by: Song Liu <a7d9c9762c730be0dd2760d11973972f3eeeff9d@fb.com>

iovisor/bcc,brendangregg/bcc,mcaleavya/bcc,tuxology/bcc,tuxology/bcc,mcaleavya/bcc,iovisor/bcc,brendangregg/bcc,mcaleavya/bcc,tuxology/bcc,tuxology/bcc,tuxology/bcc,brendangregg/bcc,mcaleavya/bcc,iovisor/bcc,brendangregg/bcc,iovisor/bcc,brendangregg/bcc,iovisor/bcc,mcaleavya/bcc