Merge branch 'remove_symmetric_type' into 'master'

remove Symmetric type in fluid C files

See merge request !21
2 jobs for michel_article_polymers in 3 minutes and 51 seconds (queued for 4 seconds)
Status Name Job ID Coverage
  Build
passed mfbuild #85706

00:00:41

 
  Test
passed mftests #85707

00:03:09