[doc][cleanup] Remove old "sequential" from documentation

5 jobs for !2759 with feature/remove-old-sequential
latest detached
Status Name Job ID Coverage
  Trigger
passed full-dune-2.7-clang

passed full-dune-2.7-gcc

passed full-dune-master-gcc

passed minimal-dune-2.7-gcc

 
  Downstream Modules
passed trigger lecture