Scripts/Ulduar: fix Achievs "Champion of Ulduar" and "Conqueror of Ulduar"

Signed-off-by: treak <goodfeelingzzz@gmail.com>
Codestyle
Merge pull request #13500 from treak/fix_champion_conqueror_of_ulduar_achieve

Scripts/Ulduar: fix Achievs "Champion of Ulduar" and "Conqueror of Uldua...