[temp.pre] Define "templated" not "templated entity" so that we can refer to "templated classes" and "templated functions".

Author: zygoloid

source/templates.tex

@@ -166,7 +166,8 @@
 
 \pnum
 \indextext{entity!templated}%
-A \defn{templated entity} is
+An entity is \defn{templated}
+if it is
 \begin{itemize}
 \item a template,
 \item an entity defined\iref{basic.def} or created\iref{class.temporary}