CIF-1406: Search results template fix

[laurentiumagureanu]

Description

The search-results template included an additional container with a productlist child in it's structure. This made pages created with this template render 2 productcollections

Also, the us->en default search page was using /conf/${confFolderName}/settings/wcm/templates/content-page instead of /conf/${confFolderName}/settings/wcm/templates/search-results as template path

Related Issue

CIF-1406

How Has This Been Tested?

Manually

Screenshots (if appropriate):

Before:

After:

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes and the overall coverage did not decrease.
• [x] All unit tests pass on CircleCi.
• [x] I ran all tests locally and they pass.