configure.ac: Remove test for "jw".
configure.ac: Remove test for "jw".

I don't know what "jw" is (or was), but HAVE_JW is not used anywhere.
It's a useless definition, as far as I can tell.  Remove the test.

Distrotech/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server