install_base.sh: Fix pahole dependency
FIX
The "pahole" package seems to not be available on Ubuntu 20.04 and is not required to build the LISA module anymore since we have our own BTF to C converter.
FIX
The "pahole" package seems to not be available on Ubuntu 20.04 and is not required to build the LISA module anymore since we have our own BTF to C converter.