tests: Remove stale scsihostdata dir

In the fbd91d49 commit, new scsihostdata dir is added to EXTRA_DIST in
the tests/Makefile.am. However, the directory itself is not created
anywhere, nor in the commit.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

tests/Makefile.am

@@ -83,7 +83,6 @@ EXTRA_DIST =		\
 	domainsnapshotxml2xmlin \
 	domainsnapshotxml2xmlout \
 	fchostdata \
-	scsihostdata \
 	interfaceschemadata \
 	lxcconf2xmldata \
 	lxcxml2xmldata \