This link used to be necessary in the past, but Liferay 6.2 has a better navigation pattern based on headers with a back link to the left. That makes the "View All" unnecessary.
Another argument for removing it is that our UX Designers considered it confusing and said that it seemed like a reset of a filter or a search (which was not the case).
I have found this pattern in:
- User Groups
- Roles (already fixed in another pull)
- Password Policies
- Site Templates
- Page Templates
- Workflow Definitions
- Dynamic Data Lists
- Documents & Media > Manage Document Types