[over.match.best] Remove meaningless "i.e."

Author: tkoeppe

source/overloading.tex

@@ -1682,7 +1682,7 @@
 
 \item the context is an initialization by conversion function for direct
 reference binding\iref{over.match.ref} of a reference to function type, the
-return type of \tcode{F1} is the same kind of reference (i.e. lvalue or rvalue)
+return type of \tcode{F1} is the same kind of reference (lvalue or rvalue)
 as the reference being initialized, and the return type of \tcode{F2} is not
 \begin{example}
 \begin{codeblock}