fix: Fix OpenHIE link and remove broken link (#1133)

content/en/apps/concepts/interoperability.md

@@ -42,7 +42,7 @@ mediator_b -- Channel\nfa:fa-arrow-left --- openhim
 
 
 A reference application for this pattern is available in the [CHIS Interoperability repository](https://github.com/medic/cht-interoperability). 
-This application implements a Loss to Follow Up (LTFU) workflow system for CHIS based on the [OpenHIE LTFU Guide](https://wiki.ohie.org/display/SUB/Use+Case+Summary:+Request+Community+Based+Follow-Up). 
+This application implements a Loss to Follow Up (LTFU) workflow system for CHIS based on the [OpenHIE LTFU Guide](https://wiki.ohie.org/display/CP/Use+Case+Summary%3A+Request+Community+Based+Follow-Up). 
 
 ## Important Links
 - [cht-interoperability repository](https://github.com/medic/cht-interoperability): A reference application for the LTFU workflow

content/en/contribute/medic/onboarding/technical-resources.md

@@ -35,7 +35,7 @@ There is a Slack channel *#exercism* where engineers and tech enthusiats meet an
 | **Web Architecture** | [Web Architecture 101](https://medium.com/storyblocks-engineering/web-architecture-101-a3224e126947) |
 | **Web Browsers** | [Inside look at modern web browsers, part I](https://developer.chrome.com/blog/inside-browser-part1/) <br> [Inside look at modern web browsers, part II](https://developer.chrome.com/blog/inside-browser-part2/) <br> [Inside look at modern web browsers, part III](https://developer.chrome.com/blog/inside-browser-part3/) <br> [Inside look at modern web browsers, part IV](https://developer.chrome.com/blog/inside-browser-part4/)|
 | **Web Performance** | [High Performance Browser Networking](https://hpbn.co/)|
-| **PostgreSQL** | [PostgreSQL Tutorial](https://www.postgresqltutorial.com/) <br> [PostgreSQL Queries Cheat Sheet](https://postgrescheatsheet.com/#/queries) <br> [PostgreSQL Cheat Sheet](https://www.postgresqltutorial.com/postgresql-cheat-sheet/) <br> [PostgreSQL Views Tutorial](https://www.postgresqltutorial.com/postgresql-views/) <br> [PostgreSQL Views Documentation](https://www.postgresql.org/docs/current/tutorial-views.html) <br> [Common Table Expressions (CTEs)](https://www.postgresqltutorial.com/postgresql-tutorial/postgresql-cte/) <br> [PostgreSQL Queries with CTEs Documentation](https://www.postgresql.org/docs/current/queries-with.html) |
+| **PostgreSQL** | [PostgreSQL Tutorial](https://www.postgresqltutorial.com/) <br> [PostgreSQL Cheat Sheet](https://www.postgresqltutorial.com/postgresql-cheat-sheet/) <br> [PostgreSQL Views Tutorial](https://www.postgresqltutorial.com/postgresql-views/) <br> [PostgreSQL Views Documentation](https://www.postgresql.org/docs/current/tutorial-views.html) <br> [Common Table Expressions (CTEs)](https://www.postgresqltutorial.com/postgresql-tutorial/postgresql-cte/) <br> [PostgreSQL Queries with CTEs Documentation](https://www.postgresql.org/docs/current/queries-with.html) |
 | **Superset** | [Introduction to Superset](https://superset.apache.org/docs/intro/) <br> [Creating Your First Dashboard](https://superset.apache.org/docs/creating-charts-dashboards/creating-your-first-dashboard/) |
 | **DBT** | [DBT Core Manual Installation Guide](https://docs.getdbt.com/quickstarts/manual-install?step=1) <br> [DBT Video Playlist](https://www.youtube.com/playlist?list=PLohMhitTY9xuEVMpLG3xXhsKG9j2XCTeF) |
 | **Logstash** | [Getting Started with Logstash](https://www.elastic.co/guide/en/logstash/current/getting-started-with-logstash.html) <br> [Logstash Tutorial](https://logz.io/blog/logstash-tutorial/) |