FBC-300 - Need to address hygiene issues in text formatting and clean up dead links in FBC

Signed-off-by: Elisa Kendall ekendall@thematix.com

Description

Addressed text formatting issues in FBC and eliminated known dead or unnecessary links

Fixes: #1812 / FBC-300

[x] I'm familiar with the FIBO developer quide. My contribution meets all the requirements described there.
[x] My contribution follows the principles of best practices for FIBO.
[x] My changes have been reconciled with latest master and no merge conflicts remain.
[x] This PR is related to exactly one issue. The issue is referenced by using a GitHub keyword such as "fixes", "closes", or "resolves".
[x] Hygiene tests have been applied by a PR with "(WIP)" in title.
[x] The issue has been tested locally using a reasoner (for ontology changes).