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

What does this MR do?

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

Involved specs

• ee/spec/frontend/ide/components/ide_status_list_spec.js
• ee/spec/frontend/ide/components/panes/right_spec.js
• ee/spec/frontend/ide/components/terminal_sync/terminal_sync_status_safe_spec.js
• ee/spec/frontend/ide/components/terminal_sync/terminal_sync_status_spec.js
• ee/spec/frontend/ide/components/terminal/session_spec.js
• ee/spec/frontend/ide/components/terminal/terminal_controls_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: #121599 (closed)