fix: do not update on build

.gitlab-ci.yml

@@ -12,7 +12,6 @@ stages:
 .target:
   stage: build
   script:
-    - make -C gluon update GLUON_SITEDIR="$CI_PROJECT_DIR"
     - make -C gluon GLUON_SITEDIR="$CI_PROJECT_DIR" GLUON_TARGET="$GLUON_TARGET" GLUON_BRANCH=stable V=1 -j`nproc`
   except:
     - tags