(chore) Remove unused test wrapper helper

[denniskigen]

Requirements

• This PR has a title that briefly describes the work done including the ticket number. If there is a ticket, make sure your PR title includes a conventional commit label. See existing PR titles for inspiration.
• My work conforms to the OpenMRS 3.0 Styleguide and design documentation.
• My work includes tests or is validated by existing tests.

Summary

Removes an unused renderWithRouter test wrapper helper function.

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[github-actions]

Size Change: 0 B

Total Size: 373 kB

ℹ️ View Unchanged

Filename	Size
packages/esm-home-app/dist/132.js	175 B
packages/esm-home-app/dist/173.js	135 B
packages/esm-home-app/dist/197.js	135 B
packages/esm-home-app/dist/271.js	725 B
packages/esm-home-app/dist/300.js	135 B
packages/esm-home-app/dist/335.js	144 B
packages/esm-home-app/dist/367.js	317 kB
packages/esm-home-app/dist/41.js	2.62 kB
packages/esm-home-app/dist/438.js	1.49 kB
packages/esm-home-app/dist/442.js	135 B
packages/esm-home-app/dist/55.js	135 B
packages/esm-home-app/dist/652.js	138 B
packages/esm-home-app/dist/661.js	138 B
packages/esm-home-app/dist/783.js	7.87 kB
packages/esm-home-app/dist/879.js	138 B
packages/esm-home-app/dist/903.js	5.73 kB
packages/esm-home-app/dist/913.js	22.1 kB
packages/esm-home-app/dist/99.js	134 B
packages/esm-home-app/dist/main.js	10.3 kB
packages/esm-home-app/dist/openmrs-esm-home-app.js	3.31 kB

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