Don't test bindist on CI (partial revert of 232635a5)

.gitlab/ci.sh

@@ -348,7 +348,6 @@ function push_perf_notes() {
 function test_make() {
   run "$MAKE" test_bindist TEST_PREP=YES
   run "$MAKE" V=0 VERBOSE=1 test \
-    BINDIST=YES
     THREADS="$cores" \
     JUNIT_FILE=../../junit.xml
 }