Summary: Genotyping added to Techniques

Why It Matters: This adds a new way to find information about genotyping.

What Changed:

• Removed "Other Popular Applications" link under Techniques.
• Added "Genotyping" link under Techniques.
• Removed "Open-Source Bioinformatics Tools" link under Illumina Research & Innovation.
• Removed a large block of content at the end of the page, including social media links and copyright information.