PEL: Remove extraneous return statements
PEL: Remove extraneous return statements

UserHeader::validate() had some extra return statements
that aren't needed.  It is desired for the function to run
all the way through even on a validation failure.

Signed-off-by: Matt Spinler <c000c989d08c98662d98f15448f11de169feb92d@us.ibm.com>
Change-Id: I9b99970179cd7c84a0201b7d67e39b0bee209beb

openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging