Remove make_ext4fs from PRODUCT_PACKAGES

This has been in the core package set since 4.2.

Cherry-picked 0e783f2c1d245ab73dfa958a911a8db5bca0606d from aries-common repo.

Signed-off-by: David Rodero <david@codiguiel.net>

Conflicts:
	device_base.mk

Change-Id: I788763b0a21f79ade9eee366bee50de5ed5ccd2e