Hi,
Link building are a strong parts of Google;s search engine algorithm.
Even some of people taking about content marketing is now replacing link building but NO content marketing does not replace link building and it will not change in 2016 also.
Pay more attention on your content - create link-generating content for getting nature backlink
Link from Image and video promotions getting more important in your 2016's link building strategy
Just removed your low-quality backlinks