Update inputTD.sty and yssymbols.sty

latex/inputTD.sty

@@ -18,7 +18,6 @@
 \newtheorem*{important}{Important}
 \newtheorem*{rappel}{Rappel}
 
-\RequirePackage{xfrac}
 \RequirePackage{xparse}
 \RequirePackage{comment}
 \RequirePackage{xr}
@@ -118,8 +117,5 @@
 \fi
 }
 
-\DeclareInstance{xfrac}{cinqdemi}{text}{scale-factor=1, h-scale=1.25, slash-left-kern=-2.5pt, slash-right-kern=-2.25pt}
-
-\def\cinqdemi{\sfrac[cinqdemi]{5}{2}}
 
 \endinput