Revert "only fetch link ID if link template requests it"
Revert "only fetch link ID if link template requests it"

This reverts commit 3cc0280e21116728ec1263d0b269306abb236cf7.

SphtKr/JSONAPI.NET,DefactoSoftware/JSONAPI.NET,JSONAPIdotNET/JSONAPI.NET,SathishN/JSONAPI.NET,danshapir/JSONAPI.NET