tests: Remove stale forward-vars
tests: Remove stale forward-vars

This target no longer uses ABS_GO, so remove the forward-vars for
it.

Signed-off-by: Geoff Levand <c3918f39022407dee6a0056ceca9b1aa80e8e4ce@infradead.org>

rkt/rkt,lucasallan/rkt,alban/rkt,rkt/rkt,Shashwatsh/rkt,alban/rkt,ybubnov/rkt,Shashwatsh/rkt,Shashwatsh/rkt,kinvolk/rkt,joshix/rkt,rkt/rkt,ybubnov/rkt,ybubnov/rkt,kinvolk/rkt,kinvolk/rkt,kinvolk/rkt,lucasallan/rkt,joshix/rkt,coreos/rkt,alban/rkt,joshix/rkt,rkt/rkt,lucasallan/rkt,joshix/rkt,coreos/rkt,lucasallan/rkt,coreos/rkt