Revert "Fix for pgsql failing tests due to incorrect type for depth param. It is specified in the schema as an int, so pgsql complains when it gets a quoted value."
Revert "Fix for pgsql failing tests due to incorrect type for depth param. It is specified in the schema as an int, so pgsql complains when it gets a quoted value."

This reverts commit 8035df25a8cec6b83100a222e9204ed73f41cd90.

wjzijderveld/jackalope-doctrine-dbal,rederrik/jackalope-doctrine-dbal