Subsubcommand 2 - Remove a party member

When it's Client Message:

Subsubcommand 2: Remove a party member (4 bytes)
BYTE[4] id (if 0, a targeting cursor appears)

When it's a Server Message:

Subsubcommand 2: Remove a party member (? Bytes)
BYTE numMembers (total number of members in the new party)
BYTE[4] idofPlayerRemoved
Then, for each member in numMembers:
BYTE[4] id