make all fatigue gls entry

traits.tex

@@ -865,12 +865,11 @@ Character who can survive a dozen archers through luck can still become exhauste
 
 \end{multicols}
 
-\section{Fatigue}
+\section{\Glsfmtplural{fatigue}}
 
 \begin{multicols}{2}
 
 \label{fatigue}
-\index{Fatigue}
 
 \noindent
 Fighting, running and swimming can really take it out of you, especially when wearing heavy armour.