Complete decomp of quest_log

ld_script.txt

@@ -220,7 +220,6 @@ SECTIONS {
         asm/mailbox_pc.o(.text);
         asm/menu.o(.text);
         src/quest_log.o(.text);
-        asm/quest_log.o(.text);
         asm/link_rfu_3.o(.text);
         asm/pokemon_special_anim.o(.text);
         asm/party_menu.o(.text);