hof.inc.php: remove global player/account
hof.inc.php: remove global player/account

Some of the global variables declared in the HoF functions were not
used and could be removed (`$account` in `getHofRank` and `$player` in
`displayHOFRow`). The others were replaced with the account and/or
player from the Session.

hemberger/smr,smrealms/smr,hemberger/smr,smrealms/smr,hemberger/smr,smrealms/smr,hemberger/smr