Revert "Add missing .gitmodule references to new submodules [#112556657]"
Revert "Add missing .gitmodule references to new submodules [#112556657]"

This reverts commit db35e1211a1ff2ac4d6c5768e21660607550714f.

cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release