As described in 5bebd34bb, HIGH_RISK is not a PVP world type.
Note: this will not affect the world hopper plugin, as it both
explicitly references the high risk world type, and references the
http-api WorldType implementation, not the runelite-api WorldType which
is being modified in this commit.
Fixes runelite/runelite#8605
Fixes runelite/runelite#8624