Remove duplicated entry for AVP 258 Auth-Application-Id from HP.xml
it was overiding the correct one from dictionary.xml

Change-Id: Ic6073a550a15f56584e214eec8bd79057673c25c
Reviewed-on: https://code.wireshark.org/review/3244
Reviewed-by: Anders Broman <a.broman58@gmail.com>