Fixes SQL query when DISABLE_MOB_NPC_CHAR_NAMES is true

[overefined]

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What does this pull request do?

Removes unsupported CTE from SQL query when creating a character with DISABLE_MOB_NPC_CHAR_NAMES set to true

Closes: #7391

Steps to test these changes

login.lua
DISABLE_MOB_NPC_CHAR_NAMES = true

create a new character