Revert "New SFB1313 runner"

This reverts commit 7db9380.
Branch protection rules require extra Docker flags.

.gitlab-ci.yml

@@ -373,36 +373,6 @@ tutorials-samples-no-gpu:
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule"
 
-rtx4090:
-  <<: *global_job_definition
-  stage: build
-  variables:
-     CC: 'gcc-12'
-     CXX: 'g++-12'
-     GCOV: 'gcov-12'
-     myconfig: 'maxset'
-     with_cuda: 'true'
-     with_coverage: 'false'
-     with_scafacos: 'true'
-     with_walberla: 'true'
-     with_walberla_avx: 'true'
-     with_stokesian_dynamics: 'true'
-     with_caliper: 'true'
-     build_type: 'Release'
-  script:
-    - bash maintainer/CI/build_cmake.sh
-    - cd build
-    - make check_samples
-    - make check_tutorials
-  tags:
-    - espresso
-    - cuda
-    - avx2
-    - sfb1313
-  rules:
-    - if: $CI_COMMIT_BRANCH == "python"
-      when: manual
-
 installation:
   <<: *global_job_definition
   stage: build