Effect code script 2B - clear some temp effect data 2

001a4c84: 27bdffe8 addiu r29,r29,0xffe8
001a4c88: afb00010 sw r16,0x0010(r29)
001a4c8c: afbf0014 sw r31,0x0014(r29)
001a4c90: 0c06882d jal 0x001a20b4
001a4c94: 00808021 addu r16,r4,r0
001a4c98: 96020006 lhu r2,0x0006(r16)
001a4c9c: 00000000 nop
001a4ca0: 24420002 addiu r2,r2,0x0002
001a4ca4: a6020006 sh r2,0x0006(r16)
001a4ca8: 34020001 ori r2,r0,0x0001
001a4cac: 8fbf0014 lw r31,0x0014(r29)
001a4cb0: 8fb00010 lw r16,0x0010(r29)
001a4cb4: 27bd0018 addiu r29,r29,0x0018
001a4cb8: 03e00008 jr r31
001a4cbc: 00000000 nop