Revert "ci: switch on all tests for validation"

This reverts commit b6bd704a.

.gitlab-ci.yml

@@ -35,11 +35,11 @@ default:
   extends: .check
 
 scheduled_tests_patched:
-  # only:
-  #   refs:
-  #     - dev
-  #     - master
-  #     - schedules
+  only:
+    refs:
+      - dev
+      - master
+      - schedules
   variables:
     R_VERSION: "patched"
   extends: .scheduled_tests
@@ -108,10 +108,10 @@ check_as_cran_oldrel:
 
 revdepcheck_patched:
   stage: revdepcheck
-  # only:
-    # refs:
-    #   - tags
-    #   - schedules
+  only:
+    refs:
+      - tags
+      - schedules
   variables:
     R_VERSION: "patched"
   script: