Fix radsecproxy.conf.5 manpage errors

Remove references to 'T<' and 'T>' macros, as well as a a reference to a
URL macro. The latter was for a pointer to RFC 6614, which is entirely
removed as not overly helpful.

Fixes: #49

radsecproxy.conf.5

@@ -222,7 +222,7 @@ not supported.
 The FTicksPrefix option is used to set the \fIprefix\fR printed in F-Ticks
 messages. This allows for use of F-Ticks messages in non-eduroam environments.
 If no FTicksPrefix option is given, it defaults to the prefix used for eduroam
-(\*(T<F\-TICKS/eduroam/1.0\*(T>)
+(\fIF\-TICKS/eduroam/1.0\fR).
 
 .RE
 
@@ -911,5 +911,4 @@ subattributes are removed.
 .RE
 
 .SH "SEE ALSO"
-\fBradsecproxy\fR(8),
-.URL https://tools.ietf.org/html/rfc6614 " 	  Transport Layer Security (TLS) Encryption for RADIUS 	"
+\fBradsecproxy\fR(8)