EE: Forbid the use of `#reload` and prefer `#reset`

What does this MR do?

Removes the usage of #reload and replaces it with #reset, by doing the alias_method where it is appropriate to use.

Resolves https://gitlab.com/gitlab-org/gitlab-ce/issues/60218

CE: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27125

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Separation of EE specific content