Remove email*.tex subsections; they're all \input by email.tex

Doc/lib/lib.tex

@@ -218,13 +218,6 @@ and how to embed it in other applications.
 \input{netdata}                 % Internet Data Handling
 \input{libformatter}
 \input{email}
-\input{emailencoders}
-\input{emailexc}
-\input{emailgenerator}
-\input{emailiter}
-\input{emailmessage}
-\input{emailparser}
-\input{emailutil}
 \input{librfc822}
 \input{libmimetools}
 \input{libmimewriter}