db3x converted into a stub that cannot load anything

git-svn-id: http://svn.miranda-ng.org/main/trunk@7901 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
even more dumb stub that cannot be loaded at all

git-svn-id: http://svn.miranda-ng.org/main/trunk@7902 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
db3x marked is obsoleted

git-svn-id: http://svn.miranda-ng.org/main/trunk@7903 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c