decomp unk_810C3A4 as part of vs_seeker

ld_script.txt

@@ -213,7 +213,6 @@ SECTIONS {
         asm/save_location.o(.text);
         src/bag.o(.text);
         src/trainer_pokemon_sprites.o(.text);
-        asm/unk_810C3A4.o(.text);
         src/vs_seeker.o(.text);
         asm/item_pc.o(.text);
         asm/mailbox_pc.o(.text);