Parameter initialPwd in function createRole is probably unnecessary (E)

[Parameter `initialPwd` in function `createRole`](https://github.com/DASSL/ClassDB/blob/e8dc25781e858dbbf08e5c460792010d47eb8a86/src/db/core/addRoleBaseMgmtCore.sql#L233) is probably unnecessary because none of the calling functions use it (in , and `createRole` can only be executed by the `ClassDB` group role.