Bug 17578: GetMemberDetails - Remove authflags - 1

Bug 17578: GetMemberDetails - Remove authflags - 1

GetMemberDetails create a authflags key, but this key is only used from
2 different places.
One is a very simple script, which does not seem very usefull
C4/SIP/interactive_members_dump.pl. I propose to simply remove it.
The other one is the member-flags.pl script. What is done in this one is
a bit weird since we a doing twice the same query (it was not highlighted
before this patch). We will need to fix that later.
At the moment the goal it to remove the GetMemberDetails subroutine
without introducing any regressions (and so without adding big changes)

Test plan:
Select/unselect permissions for a patron, save and edit again.
The behavior of the permission checkboxes should be ok

Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>