Remove Karma usage from portal-search-web

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.3.0 CE GA1, Master
• Component/s: ~ [Archived] Frontend Infrastructure
• Labels: None
• Epic Link: fi-build-consolidation-I
• Sprint: S03E17 - Llanes
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/83786

One of three tasks needed to fulfil https://issues.liferay.com/browse/IFI-1371

We want to move away from Karma because it has proven to be brittle, historical.