Delete doc/processes/meetings_with_scientists/Demo-notes.md

This page deals with demos of IBEX to SECI familiar scientists. Whilst we still do first time demos of IBEX, these are covered by our IBEX training course and so we do not need to duplicate that material by updating this page.

Author: GRyall

doc/Overview.md

@@ -34,7 +34,6 @@ overview/Links-and-Resources
 ## Documentation & Processes
 
 - [How to edit this documentation](Editing-the-Wiki)
-- [How to demonstrate IBEX](processes/meetings_with_scientists/Demo-notes): Some notes on what to show someone when demonstrating IBEX for the first time
 - [Notes from Retrospectives](processes/Retrospective-Notes): Notes from Sprint Retrospective meetings are recorded here.
 - [Decision Log](processes/Decision-Log): A place to write down decisions made.
 - [Documentation](processes/dev_processes/Project-Documentation): Documentation of the project and processes _(including why we have 3 wikis)_