highlight: Remove useless `super` since CallSite isa MEntity

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/highlight.nit b/src/highlight.nit
index b2f856e..dd9ceff 100644 (file)
--- a/src/highlight.nit
+++ b/src/highlight.nit
@@ -584,7 +584,6 @@ redef class MSignature
 end
 
 redef class CallSite
-       super HInfoBoxable
        redef fun infobox(v)
        do
                var res = new HInfoBox(v, "call {mpropdef}")