test-new-trickle: remove superfluous expression

6 jobs from trickle in 6 minutes and 22 seconds (queued for 1 minute and 1 second)
latest
Status Job ID Name Coverage
  Build
passed #110783
build autotools

00:01:17

passed #110784
build meson

00:00:34

 
  Test
passed #110786
distcheck autotools

00:02:47

passed #110788
doc-and-install meson

00:00:55

passed #110785
test autotools

00:01:33

passed #110787
allowed to fail
test meson

00:00:49