Finish game.c implementation of norecvanti and norecvweps

[Former user]

These are already defined, but they have no implementation in game.c

{{{ #define RCT_NORECVANTI MAKE_CHUNK_TYPE(rNRA) #define RCT_NORECVWEPS MAKE_CHUNK_TYPE(rNRW) }}}

[Former user]

This code was added a long time ago here: Wiki macro error: Changeset 4c4c26e2f66a not found.. I must have forgotten.