tabs no longer have html in them

wiki/layout.html

wiki/pages/attributions.html

wiki/pages/communications.html

wiki/pages/contribution.html

wiki/pages/description.html

wiki/pages/education.html

wiki/pages/engineering.html

wiki/pages/experiments.html

wiki/pages/human-practices.html

wiki/pages/notebook.html

wiki/pages/plant.html

wiki/pages/results.html

wiki/pages/safety.html

wiki/pages/software.html

wiki/pages/team.html