[z1793] Remove World::setConfigPos for uint32 and move check to all uint32 config values.

As part changes move to int32 list as expected by values:
 * CONFIG_INT32_QUEST_HIGH_LEVEL_HIDE_DIFF
 * CONFIG_INT32_QUEST_LOW_LEVEL_HIDE_DIFF

Signed-off-by: VladimirMangos <vladimir@getmangos.com>

(based on commit 2e5a285)

(based on commit [s1349] - c603fce)