Remove incorrect localVue usage in ee/spec/frontend/geo_designs

What does this MR do?

As described in &2360 (closed), cleans up our Jest tests from unnecessary localVue usage

Involved specs

• ee/spec/frontend/geo_designs/components/app_spec.js
• ee/spec/frontend/geo_designs/components/geo_design_spec.js
• ee/spec/frontend/geo_designs/components/geo_design_status_spec.js
• ee/spec/frontend/geo_designs/components/geo_design_time_ago_spec.js
• ee/spec/frontend/geo_designs/components/geo_designs_disabled_spec.js
• ee/spec/frontend/geo_designs/components/geo_designs_empty_state_spec.js
• ee/spec/frontend/geo_designs/components/geo_designs_filter_bar_spec.js
• ee/spec/frontend/geo_designs/components/geo_designs_spec.js

Conformity

• Merge request performance guidelines
• Style guides

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.

Closes: #121598 (closed)