Fix Game Mode Keys in Database

Current Game Mode Keys in player_mmr:

Current Mode KeyPlayer CountShould Be
ranked_2v2 12 ranked_2v2
ranked_5v5 12 ranked_5v5

Fix Operations:

❌ Error

Message: variable [QFIX5V5] doesn't exist

Detail:

Next: Refresh your profile page to see if the game mode names now display correctly.