[Mail] Move definition of local accounts to separate customizable variable
[Mail] Move definition of local accounts to separate customizable variable

This variable is called ‘db/other-gnus-accounts’ and can be set with the
customize interface.  This change also obsolete ‘db/personal-gnus-filter-rules’,
is it’s definition can now be inlined directly into the one of
‘db/other-gnus-accounts’.

exot/.emacs.d