create-iso-jenkins.sh: Use --clean option to avoid leaving trash on /dev/shm

Signed-off-by: Diego Giovane Pasqualin <dpasqualin@c3sl.ufpr.br>

create-iso-jenkins.sh

@@ -28,6 +28,7 @@ sudo ./create-iso.sh --all "iso/$ISO" \
                      --dist "$DIST" \
                      --host "$MIRROR" \
                      --mirror "$REPO" \
+                     --clean \
                      --output "$OUTPUT" <<< y
 
 RESULT=$?