QA: Reduce flakiness of git-lfs related tests

What does this MR do?

This MR aims to reduce the flakiness of the git-lfs related tests by removing an assertion around Uploading LFS objects: 100% appearing in the git command line output.

It also removes redundant project.visit! calls for Geo HTTP & SSH push QA specs.

What are the relevant issue numbers?

https://gitlab.com/gitlab-org/quality/nightly/issues/86

Does this MR meet the acceptance criteria?

• [ ] Changelog entry added, if necessary
• [ ] Documentation created/updated via this MR
• [ ] Documentation reviewed by technical writer or follow-up review issue created
• Tests added for this feature/bug
• [ ] Tested in all supported browsers
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• [ ] Conforms to the database guides
• [ ] Link to e2e tests MR added if this MR has Requires e2e tests label. See the [Test Planning Process](https://about.gitlab.com/handbook/engineering/quality/guidelines/test-engineering/).
• EE specific content should be in the top level /ee folder
• [ ] For a paid feature, have we considered GitLab.com plans, how it works for groups, and is there a design for promoting it to users who aren't on the correct plan?
• Security reports checked/validated by reviewer